House Illustrations Library INDEX Sub Page E - J - 1/1/2015 - House Systems
Photos Index of House Illustrations
Note: The index entries listed below will help you quickly find relevant house illustrations on this site based upon your search criteria. The index entries below have a brief explanation of the topic followed by the house illustration image number. For example, if you would like to find an image that shows shut off valves for gas piping,then you could use the find feature in your web browser menu to search for "valve" on this page. This would find many entries below, one of which is "Gas Shut Off Valve 0724". Then you can go to House Illustrations Photos Main Library page 1 or page 2 and use the find feature in your web browser menu to search for "0724" on that page to find the link to the page with that exact image on it. Or, you can type the text and/or the image number "0724" into the box on the search page of this site to find that exact house illustration image.
Early Classical Revival Style 1723 Eave - Bell-cast 1704 Eave Closures for Spanish or Mission Tiles 0044 Eave Protection 0006, 0008 ----- for Asphalt Shingle Roofs 0011 Edge Details on Built-up Roofing Membrane 0107 Edge Grain Wood Shingles 0019 EIFS 1774 ----- Inspection Strategy - Exterior 1777 ----- Inspection Strategy - Interior 1778 ----- Insulation Details 1775 Elastomeric Roofing 0100 Electric Aluminum Wiring 0604 Electric Arcing and Sparks 0549 Electric Baseboard Heaters ----- Clearance to Draperies 1143 Electric Outlets Above 0620 ----- Wattage 1142 ----- with Outlets Above 1144 Electric Boiler 1150 Electric Box Enclosures to Control Air Leakage 1334 Electric Box Gaskets 1335 Electric Branch Circuit over Current Devices 0535 Electric Bulbs for Potlights - Proper 0608 Electric Bus Bars in Fuse Panels 0580 Electric Cable Support 0592 Electric Circuit - Simple 0507 Electric Conductors - Number 0588 Electric Connections ----- for Garage Door Openers 1869 ----- Pig-tailing to Avoid Double Taps 0577 ----- Types 0590 Electric Current Draw ----- Excessive on Air Conditioning Compressor 1225 ----- Testing for Electric Furnace 1148 Electric Distribution Panels 0557-0585 Electric Furnace ----- Fan Limit Switch 1146 ----- Sequencers 1145 ----- Temperature Rise 1149 ----- Testing Current Draw 1148 Electric Fuse Panels with Bus Bars 0580 Electric Fuse Types 0564 Electric GFIs Protect Ordinary Outlets Downstream 0615 Electric Ground Wires - Location 0551 Electric Ground-Fault Interrupter 0614 Electric Grounding Equipment 0533 Electric Heat ----- Watts per Square Foot Required 1135 ----- Wire Fuse and Heater Sizing 1136 Electric Heaters ----- Best Location 1140 ----- Floor Mount 1137 ----- Toe-kick 1138 ----- Wiring 1141 Electric Heating Systems 1132-1152 Electric Inspection - Where Does It Start? 0500 Electric Knob-and-Tube Wiring 0600-0603 ----- Connecting a New Circuit 0602 ----- Connections 0601 Electric Light Fixtures - Importance of Correct Polarity 0612 Electric Lighting ----- Stairways 0605 ----- in Insulated Ceilings 0607 Electric Lights need Isolating Links on Pull Chains 0610 Electric Load Miser 0617 Electric Meter Location 0537 Electric Outlets ----- above Electric Baseboard Heaters 1144 ----- and Switches in Bathrooms 0618 ----- in Floors or Countertops 0621 ----- in Garages - 18 Inches off the Floor 0622 ----- near Basins 0620 ----- Protection by GFIs 0615 ----- should not be above Electric Baseboard Heaters 0620 Electric Panel 0534 ----- Clearances 0538 ----- Mounting 0541 ----- Openings 0540 ----- Securement 0539 ----- Wires with Excess Sheathing 0583 ----- for Ground and Neutral Wires 0547 Electric Plenum Heater 1147 Electric Polarity Importance on Light Fixtures 0612 Electric Potential 0502 Electric Potlights - Proper Bulbs 0608 Electric Radiant Heat 0714 ----- Ceilings 1151 ----- Floors 1152 Electric Receptacle - Wrong Type 0613 Electric Resistance 0503 Electric Reversed Polarity 0611 Electric Service ----- Box 0532 -0545 ----- Box and Panels - Inspecting 0565 ----- Boxes - Breaker and Fuse-type 0536 ----- Entrance - Areas of Potential Water Entry 0526 ----- Entrance Cable should not be Covered by Siding 0528 ----- Entrances - Support Requirements 0525 ----- Equipment 0532 ----- Masts - Bent 0524 ----- Panel 0532 ----- Size 0529-0531 ----- ----- Determining by Service Entrance Wires 0530 ----- ----- Determining by the Main Disconnect 0531 ----- Underground 0514 ----- Wires 0520-0528 Electric Shut Off Missing on Air Conditioning 1226 Electric Subpanel Wiring 0571-0573 Electric Switches ----- for Furnaces 0624 ----- for Garbage Disposal 0626 ----- Push-button Obsolete 0623 ----- Three-way 0606 Electric System ----- Double Lugging 0576 ----- Double Tapping 0576 ----- Grounding 0546-0554 Electric Taps - Illegal 0543 Electric Wall Heater Fan Operated 1139 Electric Water Heater 1567 ----- Element Sequencing 1568 Electric Wire ----- and Fuse Sizes 0561 ----- Clearance over Roofs - Inadequate 0519 ----- Clearances around Windows 0517 ----- Clearances from Ducts and Pipes 0594 ----- Exposed 0597 ----- Exposed in Attics 0598 ----- in Studs and Joists - Clearance from Edges 0595 ----- Securing 0584 ----- Shouldn't Cross Bus Bars 0585 ----- Sizes - Common 0529 ----- Support with Steel Studs 0593 Electric Wiring ----- for Garbage Disposals 0627 ----- for Multi-Wire Branch Circuits 0616 Electricity - Basic Concepts 0501 Electronic Air Cleaner 0782 ----- Installed Backwards/Parts Missing 0784 ----- Problems 0783 Element Sequencing on Electric Water Heater 1568 Embedded Joist - Don't Insulate 1391 Emergency Shutoffs for Oil Furnace 0828 End Bearing ----- for Joist 0320 ----- for Rafters 0414 ----- for Steel Lintel 0405 ----- for Wood Lintel 0406 ----- Poor for Exterior Beam 1841 Energy Efficiency of Windows 2042 Energy Recovery Ventilator 1323 Engineered Wood for Floors 0330 Entablature 1709 EPDM Roofing 0100 ----- Wall Flashing 0113 Equalizer ----- and Hartford Loop Details for Steam Heat 1122 ----- and Hartford Loop for Steam Heat 1117 ----- Pipe for Steam Heating 1101 Equivalent Furnaces - Electric 1134 Erosion of Gravel on Flat Roofs 0094 ERV and HRV Heat Exchangers 1353 Evaporative Coolers 1265 Evaporator Coil ----- Collecting Hot Air Inside the House 1202 ----- for Air Conditioner in Attic 1234 ----- for Air Conditioner Upstream of Heat Exchanger 1235 ----- for Air Conditioning 1232-1238 ----- for Air Conditioning - Inspection Procedure 1236 ----- for Heat Pump 1269 Evaporator Fan for Air Conditioning 1250 Excavation ----- Dampproofing and Drainage Tile 2082 ----- Dampproofing and Drainage Tile around Foundations 1890 Excess Brick Overhang of Foundation 0248 Excess Sheathing on Electrical Panel Wires 0583 Excess Shingle Overhang of Gutters 1897 Excess Temperature Rise on Electric Furnace 1149 Excessive Joist Overlap Causes Floor Bump 0319 Excessive Offset from Vertical on Metal Chimney 1007 Exhaust and Intake Locations for Heat Recovery Ventilators 1398 Exhaust and Intake Locations for HRV 1355 Exhaust Breech through Cold Air Return 0751 Exhaust Fan Problems 1396 Exhaust Fans for House Ventilation 1321 Exhaust Flue ----- Clearances for Oil Furnace 0842 ----- Extending too Far into Chimney 0987 ----- Length for Oil Furnace 0841 ----- Loose at Chimney 0988 ----- Obstructions in Oil Furnaces 0843 ----- Slope on Oil Furnace 0839 ----- Support for Oil Furnace 0840 Exhaust Grill Locations for HRV 1400 Exhaust System Components for House Air 1350 Exit Window Sizes 2057 Expansion Devices ----- Cooling Hot Liquid Freon 1207 ----- in Air Conditioning - Cooling Hot Liquid Freon 1207 ----- Two in Some Heat Pumps 1279 Expansion Tank ----- on Hot Water Heating System 0883 ----- Overflow Pipes for Hot Water Heating Systems 0882 ----- Water Levels for Hot Water Heating 0881 Exposed Combustible Insulation 1392 Exposed Electrical Wiring 0597 ----- in Attics 0598 Extender for Chimney 0956 Extending Hot Water Heating Systems 0889 Exterior above Ground Storage Tank 0821 Exterior ----- Basement ----- Insulation - Adding 1385 ----- Stairs 1873-1879 ----- Stairwell - Insulated 0239 ----- Stairwell - Side View 0238 ----- Beam 1839 ----- Poor End Support 1841 ----- Rotation or Twisting 1842 ----- Column Hinge Point 1838 ----- Door Threshold 1851 ----- Doors Staining Below 2065 ----- Grading 1880 -1892 ----- Inspection 1744 ----- Insulating and Finishing Systems (EIFS) 1774, 1775 ----- Insulation on Foundations 1884 ----- Joist Support 1843 Stairs, Handrails and Guards 1833 ----- too Low 1836 ----- Steps Settled or Heaved 1830 ----- Support for Concrete Steps 1827 ----- Walkway Steps 1927 ----- Wall Assemblies 1745 ----- Wood Stairs - Rot 1831 ----- Tank Water Heater 1563
Factors affecting Air Supply in Forced Air Heating Systems 778 Factory Built Fireplaces - Hearth Extensions 1071 Failures of Fiberglass Shingles 0015 Fall Protection for Windows 2039 Fan Cover Missing on Furnace 0756 Fan Exhaust - Problems 1396 Fan Exhaust for House Ventilation 1321 Fan Operated Electric Wall Heater 1139 Fan Switch for Furnace 0759 Fan/Limit Switch 0759-0761 ----- for Electric Furnace 1146 ----- for Wood Furnaces 1026 ----- Set Wrong or Defective 0761 Fanlight 1721 Fascia and Soffits 1813, 1814 Fastener Problems - Asphalt Shingle Roofing 0017 Faulty Windows 2054 Fiber Cement ----- Roof Shingles 0048 ----- Siding 1805 Fiberglass Shingles - Premature Failure 0015 Fill and Vent Pipes on Oil Storage Tanks - Caps 0826 Fill and Vent Piping for Oil Storage Tanks 0825 Fill Lines - Undersized For Oil Storage Tanks 0827 Filter Orientation in Forced Air Heating Systems 0781 Filter/Dryer for Air Conditioning Refrigerant Lines 1245 Filters ----- and Condensate Drains for HRV 1356 ----- Dirty or Missing on HRV 1403 Finned Tube Baseboard on Hot Water Systems 0892 Fire and Gas Proofing in Garages 1855 Fire Comes Inside 0705 Fire Cut Joists 0314 Fire Gets Contained 0708 Fire Outdoors 0704 Fire Triangle 0712 Firebox Clearance - Metal 1074 Firebox Damper for Fireplace 1078 Firebox for Wood Furnace 1018,1019 Firebrick on Fireplace Walls 1073 Fireplace ----- and Chimney Components - Masonry 0959 ----- Ash Pit 1088 ----- Basement 1063 ----- Breast 1085 ----- Breast Settled (Gap At Wall) 1086 ----- Cleanout Door too Close to Combustibles 0979 ----- Coal 1076 ----- Combustible Clearance Requirements 1062 ----- Combustion Air Duct ----- Clearances 1092 ----- Insulating 1090 ----- Components - Masonry 1061 ----- Damper 1078 ----- ----- at Top of Chimney 1079 ----- ----- Low 1081 ----- ----- Missing 1080 ----- ----- not Fixed Open in Gas Fireplace 1165 ----- Design Problems 1064 ----- Firebox Damper 1078 ----- Footings 1065 ----- Gas ----- Combustible Clearances 1168 ----- Direct Vent 1167 ----- Igniters 1095 ----- Location Restrictions 1166 ----- Glass Doors 1093 ----- Hearth ----- Extension Dimensions 1069 ----- Extension Forming Boards - Removed 1072 ----- Materials 1067 ----- Spark Strips 1068 ----- Heat Circulators 1094 ----- Insert Flue Connections 950 ----- Inserts Need Chimney Liners 1037 ----- Intake Screening for Combustion Air 1091 ----- Lintel Rusting, Sagging or Loose 1077 ----- Opening Combustible Clearances 1087 ----- Outdoor Combustion Air 1089 ----- Smoke Chamber - Wall Slope 1083 ----- Throat, Smoke Shelf and Smoke Chamber 1082 ----- Two on One Flue 992 ----- Walls - Firebrick 1073 ----- with Raised Hearths 1070 ----- Wood 1011 ----- Wood - Three Kinds 1060 Firepot/Refractory 0741 Firestop Spacers for Wall Furnaces 1156 Firestopping 0981 ----- for Stairs 2034 Firewood is Combustible 1052 Fish Mouths on Flat Roofs 0095 Flame Retention Head for Oil Burner 0830 Flame Rollout Shield 0747 Flame Sensor for Oil Burner 0835 Flare Fitting on Plumbing Pipe 1540 Flashing Pan for Windows 2041 Flashings ----- below Windows with Metal and Vinyl Siding 1803 ----- Chimney 0065 - 0070 ----- Chimney - Overview 0065 ----- Deck Ledgerboard 1846 ----- Kickout 1820 ----- over Windows 1819, 2053 ----- Roof/Walls 0073 - 0078 ----- Skylights 0080, 0081, 0082 ----- Through Wall 0114 Flat and Cathedral Roofs ----- Evidence of Insulation Added 1378 ----- Insulating 1377 ----- Two Insulation Strategies 1379 Flat Grain Wood Shingles 0019 Flat Roof 1702 ----- Alligatoring 0093 ----- Damaged 0091 ----- Erosion of Gravel 0094 Fish Mouths 0095 ----- Drainage Systems 0088, 1915 ----- Draining onto Sloped Roof 0123 ----- Drains ----- ----- Adding 1920 ----- Interior 1893 ----- Interior - Clogged 1918 ----- Modified Bitumen 0122 ----- ----- in Columns and Walls 1919 Flashings 0104-0124 ----- Ponding 0096 ----- Ridging 0095 ----- Skylight 0117 ----- Weight of Water 1917 Flat Roof/Wall Flashing ----- Built-up 0104 ----- Built-up - Lower Quality 0112 Flexible Copper Tubing for Gas Piping 0723 Flexible Gas Appliance Connectors 0721 Float and Thermostat Trap for Steam Heating 1108 Floating Slab - Slab-on-grade 0206 Floating Tank Water Heater 1563 Floor Allowable Deflections 0273 Floor ----- Causes of Rot 2007 ----- Cold 0703 ----- Concrete - Hollows 2006 ----- Crawlspace - Cover 1340 ----- Deck - Installation Details 1849 ----- Drainage - Garage 1860 ----- Drains in Exterior Basement Stairwells - No Traps 1877 ----- Engineered Wood 0332 ----- Furnace ----- ----- Clearances 1160 ----- ----- Inspection Cap Missing or Damaged 1161 ----- ----- Interior 2002 -2008 ----- Joists 0311-0331 ----- ----- Types 0311 ----- ----- with Return Ducts for Heating Systems 0789 ----- Load Distribution 0274 ----- Mounted Electric Heaters 1137 ----- or Countertop with Electrical Outlets 0621 ----- over Unheated Area - Insulation 1394 ----- Problems - Concrete 2005 ----- Protection for Wood Stoves 1043-1047 ----- Provides Lateral Support for Foundations 0245 ----- Sag at Porch 1844 ----- Slab ----- ----- Pre-stressed and Post-tensioned Concrete 0337 ----- ----- Settling in Garages 1861 ----- ----- with Heating Ducts 0793 ----- Structural in Garage 1859 ----- Structure Openings 0329 Flooring ----- Rot around Plumbing Fixtures 2003 ----- Sources of Interior Water Damage 2004 Flow and Pressure of Water in Supply Plumbing 1500-1511 Flow Collars and Balancing Dampers 1401 Flow Control Valves for Boiler 0873 Flue ----- Connections for Fireplace Inserts 0950 ----- Divider Missing in Chimneys 0974 ----- Liner ----- ----- Clay Tile 0962 ----- ----- Miter 0964 ----- ----- Shouldn't Rest on Metal Firebox 1075 ----- Openings Abandoned 0990 ----- or Vent Connector Obstructed 0989 Foot Valve for Well 1521 Footings ----- and Foundations 0200 - 0270 ----- for Fireplaces 1065 ----- Frost Heaving 0223 ----- Lowered around Basement Walkout 1874 ----- Pad and Spread 0209 ----- Stepped 0229 Forced Air ----- Ducts Removed During Renovations 0791 ----- Heating ----- ----- Air Filter Orientation 0781 ----- ----- Distribution Components 0777 ----- Factors Affecting Air Supply 0778 ----- High and Low Returns 0792 ----- Supply and Return Registers Poorly Located 0795 Forced Draft for Wood Furnaces 1017 Forms of Insulation 1329 Foundation ----- and Footing 0200 - 0270 ----- Bowing - Excess Brick Overhang 0248 ----- Brick with Masonry Walls 0212 ----- Cracks ----- ----- due to Backfill 0254 ----- ----- Horizontal - Three Possibilities 0246 ----- ----- in Tree Roots 0253 ----- ----- near Driveways 0252 ----- ----- Repair Method 1886 ----- ----- Vertical 0250 ----- Depth 2075 ----- Drainage Layers 1885 ----- Excavation, Dampproofing and Drainage Tile 1890 ----- Floors Provide Lateral Support 0245 ----- Height above Grade 1809 ----- Horizontal Cracks 0244 ----- Pier 0211 ----- Pile 0210 ----- Preserved Wood 0216, 1811 ----- Problems on Ravine 0220 ----- Raft and Mat 0215 ----- Repairs ----- ----- Adding a Sister Wall Outside 0261 ----- ----- Adding Interior Walls 0260 ----- Buttress 0256 ----- Pilaster 0257 ----- Reinforcing Inside 0258 ----- Steel Tie-backs 0259 ----- Stone ----- ----- with Masonry Walls 0213 ----- ----- with Wood Frame Walls 0214 ----- Wall ----- ----- Concrete Block 2073 ----- ----- Control Joints 0217 ----- ----- Lateral Support 0249, 0250 ----- ----- Parging 1812 ----- ----- Soil Pressure 0201 ----- ----- Spalling 0262 ----- ----- too Short 0270 ----- ----- with Beam Punching Through 0247 Four Square, Saltbox and Compound Plans 1701 Four-ply Built-up Roof Membrane 0090 Frame Deformation of Doors and Windows 1818 Framing ----- Balloon versus Platform 0366 ----- for Dormers 0423 ----- Members Supported by Chimneys 0966 Freezing Water Spalls Bricks 1757 French Doors 2061 French Drain 1889 French Method for Slate Roofing 0035 Freon Gas goes Outside in Air Conditioning 1203 Fresh Air Supply Systems 1351 Frieze 1709 Frost Heaving ----- Evidence 0202 ----- in Unheated Houses 0205 ----- of Footings 0223 ----- Unlikely 0204 Fuel Oil Storage Tanks 0820-0828 Fuels - Heat Content of Various 1012 Fully Woven Closed Valley on Roof 0064 Furnace Blowers - Belt Drive and Direct Drive 0779 Furnace Clearances 0758 Furnace Covers 0756 Furnace Ducts - HRV Connection 1399 Furnace Electric Switches 0624 Furnace Equivalent Electric 1134 Furnace Fan Cover Missing 0755 Furnace Fan not Interlocked with HRV 1402 Furnace Fan Switch 0759 Furnace Fan/Limit Switch 0759-0761 ----- Set Wrong or Defective 0761 Furnace ----- Gas ----- ----- Automatic Vent Dampers 0812 ----- ----- Condensing 0803-0816 ----- ----- High Efficiency - Safety Devices 0808 ----- ----- Mid Efficiency 0798-0802 ----- ----- Gravity 0710 ----- Heat Exchanger ----- ----- with Heat Pump Coil Upstream 0752 ----- ----- with Humidifier Above 0788 ----- High Efficiency ----- ----- Inspecting 0813 ----- ----- and Duct Sizes 0811 ----- ----- Gas - Improper Sidewall Venting 0807 ----- ----- Gas - Maximizing Temperature Differences 0805 ----- ----- Gas - Venting 0807 ----- ----- Horizontal Gas Fired 0754 ----- Oil ----- ----- Barometric Damper 0836 ----- ----- Emergency Shutoff 0828 ----- ----- Exhaust Flue Clearances 0842 ----- ----- Exhaust Flue Length 0841 ----- ----- Exhaust Flue Slope 0839 ----- ----- Exhaust Flue Support 0840 ----- ----- Mid Efficiency 0844 ----- ----- Obstruction in Exhaust Flue 0843 ----- ----- Sidewall Vent Location Problem 0845 ----- ----- Spillage from Barometric Damper 0838 ----- Pulse ----- ----- How It Works 0809 ----- ----- Heat Exchanger Components 0810 ----- Room Air Openings 0734 ----- Room with Return Air Grills 0796 ----- Upflow and Downflow 0753 ----- Wall ----- ----- Gas Fired 1153 ----- ----- Venting 1155 ----- ----- with Exhaust Breech Passing through Cold Air Return 0751 ----- Wood 1011 ----- ----- Add-on (Divider Plate Method) 1030 ----- ----- Add-on (Downstream Series) 1029 ----- ----- Barometric Damper 1021 ----- ----- Combustible Return Ducts 1028 ----- ----- Combustion Air Damper Arrangement 1015,1016 ----- ----- Combustion Chamber 1018,1019 ----- ----- Components 1013 ----- ----- Duct Arrangement Allows Reverse Flow 1032 ----- ----- Duct Clearances 1027 ----- ----- Fan/Limit Switch 1026 ----- ----- Forced Draft 1017 ----- ----- Heat Exchangers 1020 ----- ----- Joining Vent Connector Sections 1023 ----- ----- not Downstream 1031 ----- ----- Thermostat Conditions 1025 ----- ----- Vent Connector Combustible Clearances 1022 ----- ----- Vent Connector Support And Slope 1024 ----- ----- Ventilation/Cooling Air 1014 ----- Wood/Oil 1033 Furnace/Water Heater System - Combination 0818 Fuse Blocks - Pull-out Type for 240-volt Circuits 0559 Fuse Types - Electrical 0564 Fused Neutrals and Old Wiring Systems 0566 Fuses and Breakers 0509, 0535 Fuses Provide Protection 0510
Gabion Retaining Walls 1930 Gable ----- Details 1706 ----- Overhang Less than 16 Inches 0421 ----- Overhang More than 16 Inches 0422 ----- Roof 0002 ----- Wall for Roof 0420 Galvanized Steel and Aluminum Gutter - Identifying 1896 Galvanized Steel Pipe in Plumbing System 1504 Gambrel and Mansard Roofs - Venting 1348 Gambrel Roof 0002 Gaps under Wall Sill 0282 Garage ----- and Carport 1825 ----- Below-grade - Drains 1863 ----- Combustible Insulation Exposed 1858 ----- Door Openers 1867 - 1871 ----- Door Problems 1866 ----- Door Types 1865 ----- Electrical Outlets - 18 Inches off the Floor 0622 ----- Fire and Gas Proofing 1855 ----- Floor Drainage 1860 ----- Floor Structural 1859 ----- Heating Ductwork 1856 ----- Man Door 1857, 2066 ----- Settlement 0355 ----- Slab ----- ----- on Disturbed Soil 1861 ----- ----- Settling 1861 ----- ----- with Water Heater 1872 Garbage Disposal ----- Switches 0626 ----- Wiring 0627 Gas Appliance ----- Connectors - Flexible 0721 ----- Two on One Flue 0993 ----- with Improper Sidewall Venting 0802 Gas Burner 0737-0747 ----- Continuous Pilot Light 0744 ----- Crossover Igniter 0740 ----- Monoport 0738 ----- Natural Draft 0731 ----- Relighting Pilot Light 0745 ----- Scorching 0746 Gas Fired Floor Furnace ----- Clearances 0160 ----- Inspection Cap Missing or Damaged 1161 Gas Fired Space Heater ----- Combustible Clearances 1162 ----- Unvented 1164 Gas Fired Wall Furnace 1153 ----- Clearances from Combustibles 1154 ----- Unvented 1159 Gas Fireplace ----- Combustible Clearances 1168 ----- Direct Vent 1167 ----- Location Restrictions 1166 ----- not Fixed Open 1165 Gas Furnace ----- Automatic Vent Damper 0812 ----- Chimney/Vent Connections 0772 ----- Condensing 0803-0816 ----- High Efficiency ----- ----- Duct Sizes 0811 ----- ----- Maximizing Temperature Differences 0805 ----- ----- Venting 0806 ----- Horizontal 0754 ----- Mid Efficiency 0798-0802 ----- Sidewall Venting 0815 ----- Vent Connector ----- ----- Length 0768 ----- ----- Size 0771 ----- ----- Slope 0767 ----- ----- Support 0769 Gas Igniters for Fireplaces 1095 Gas Meter ----- Location For Water Heater 1570 ----- Poor Location 0719 Gas Piping ----- Connections with Teflon Tape 0722 ----- Drip Leg 0727 ----- ----- on Water Heater 1572 ----- Electric Grounding 0548, 0725 ----- Flexible Copper Tubing 0723 ----- Support 0026 ----- Support for Water Heater 1571 ----- Terminology 0720 Gas Proofing Garages 1855 Gas Regulator - Ice 0718 Gas Shut Off Valve 0724 ----- Gas Shut Off Valve for Water Heater 1573 Gas Supply to Burner 0739 Gas Water Heater 1562 Gaskets - Sill 1334 Gaskets for Electrical Boxes 1335 Gate Valve for Plumbing 1535 Georgian Style 1725 Glass Doors for Fireplaces 1093 Glass ----- Location for Windows 2044 ----- Low-E 2043 ----- Spacing in Windows 2045 Glazing ----- Compound (Putty) 1815 ----- Sloped 2048 ----- Types for Windows 2036 Globe Valve for Plumbing 1534 Gothic Revival Style Home 1730 Gothic Windows 1719 Grade Clearance for Siding Inadequate 1748 Grading - Exterior 1880 - 1892 Graduated Slate Roof 0031 Gravel Erosion on Flat Roofs 0094 Gravity Furnace 0710 Greek Revival Style Home 1724 Grill in Furnace Room - Return 0796 Grills, Diffusers and Supply Air Registers 0790 Ground and Neutral Wires - Electrical Path 0547 Ground Source Heat Pump ----- Horizontal Closed Loop 1276 ----- Vertical Closed Loop 1286 Ground Wires - Location 0551 Ground Wires let Fuses Blow 0546 Ground-Fault Circuit Interrupter 0614 Ground-Fault Interrupter Electrical 0614 Ground-Fault Interrupters Protect Ordinary Outlets Downstream 0615 Grounding Equipment - Electrical 0533 Grounding of Electric Service Box 0555 Grounding the Gas Piping 0548, 0725 Guards and Handrails ----- for Exterior Stairs 1833 ----- for Stairs 2029 Gutter and Downspout 1893 - 1920 ----- Installation 1902 Gutter ----- Attachment Methods 1900 ----- Common Leakage Causes 1898 ----- Discharging onto Roof 0003 ----- Excess Shingle Overhang 1897 ----- Identifying Aluminum and Galvanized Steel 1896 ----- Integral 1894 ----- ----- Repairs 1899 ----- ----- with Screen 1901 ----- Yankee 1895 Gypsum Lath vs. Drywall 2009
Half Woven Valley 0063 Half-timbering 1711 Handrail ----- and Guards for Exterior Stairs 1833 ----- and Guards for Stairs 2029 ----- Design 1834 ----- or Guards too Low 1836 ----- Support 2033 Handsplit and Re-sawn Shakes 0020 Hangers for Copper Plumbing Pipe 1544 Hardboard Siding 1794 Hartford Loop ----- and Equalizer Details for Steam Heat 1122 ----- and Equalizer for Steam Heat 1117 ----- Close Nipple Missing on Steam Heat 1123 ----- on Steam Heating 1103 Hatch - Attic Access 1358 H-clips for Roof Sheathing 0445 Head Flashing Details on Chimney Flashing 68 Headlap on Asphalt Shingles 0011, 0013 Hearth ----- Extension Dimensions for Fireplaces 1069 ----- Extension Forming Boards - Removed 1072 ----- Extensions for Factory Built Fireplaces 1071 ----- Materials 1067 ----- for Fireplaces - Raised 1070 Heartwood 0019 Heat ----- Circulators for Fireplaces 1094 ----- Content of Various Fuels 1012 ----- How It Is Generated 0700 ----- People Releasing 1303 Heat Exchanger 0748-0752 ----- and Hot Water Boilers 0850 ----- Components for Pulse Furnace 0810 ----- Copper Tube in Boilers 0851 ----- for Wood Furnaces 1020 ----- Heat Flow 0748 ----- HRV and ERV 1353 ----- in High Efficiency Gas Furnaces - Long 0803 ----- on Furnace with Humidifier Above 0788 ----- with Heat Pump Coil Upstream 0752 Heat Pump ----- All Electric 1274 ----- Balance Point 1273 ----- Bivalent 1287 ----- Co-efficient of Performance 1272 ----- Coil Upstream of Furnace Heat Exchangers 0752 ----- Condenser Coil 1270 ----- Defrost Cycle 1280 ----- Evaporator Coil 1269 ----- Ground Source ----- ----- Horizontal Closed Loop 1276 ----- ----- Vertical Closed Loop 1286 ----- Outdoor Coil Location 1281 ----- H Principles 1268 ----- Schematic - Summer Mode 1271 ----- Testing Back Up Heat 1283 ----- Triple Split System 1278 ----- Two Expansion Devices 1279 ----- Water Source - Open Loop 1275 Heat Recovery Ventilator 1323 ----- Cold-side Ducts not Insulated 1397 ----- (Basic Components) 1352 ----- Core Missing or Dirty 1404 ----- Defrost Control 1357 ----- Exhaust Grill Locations 1400 ----- Filters and Condensate Drains 1356 ----- Filters Dirty or Missing 1403 ----- Flow Collars and Balancing Dampers 1401 ----- Furnace Duct Connection 1399 ----- Intake and Exhaust Locations 1398 ----- not Interlocked with Furnace Fan 1402 ----- Trap in Condensate Drain 1405 Heat Registers in Basements 0795 Heat Shield or Flame Rollout Shield 0747 Heat Transfer ----- Methods of 0713 ----- at the Inside Coil - Air Conditioning 1201 ----- from Inside to Outside During Air Conditioning 1200 ----- Mechanisms 1302 Heaters - Wood Space 1034-1059 Heating Cables to Prevent Ice Damning 0006 Heating Distribution System - Forced Air 0775-0797 Heating Ductwork in Garages 1856 Heating Requirements for Electric Heat 1135 Heating System - House Air Flow 0711 Heatlamp - Poor locations 0609 Heaving ----- Frost - Evidence 0202 ----- Frost - Unheated Houses 0205 ----- Frost - Unlikely 0204 ----- of Deck Piers 0243 ----- of Footings due to Frost 0223 ----- Sources 0236 Height ----- of Chimney 0977 ----- of Chimney above Appliance 0978 ----- of Metal Chimney 1006 ----- of Adjacent Metal Chimneys 1009 Helical Anchors 0226 High and Low Returns for Forced Air Systems 0792 High Efficiency Furnace ----- and Duct Size 0811 ----- Condensation 0804 ----- Have Long Heat Exchangers 0803 ----- Inspecting 0813 ----- Maximizing Temperature Differences 0805 ----- Safety Devices 0808 ----- Venting 0806 High Temperature Limit Switch on Boiler 0855 High Water Table 2074 High-hat Lights in Insulated Ceilings 0607 Hinged Pillars Affect Roof Structure 1852 Hip and Valley Rafter 0415 Hip Roof 0002 Hole in the Roof - Before Chimneys 0706 Holes and Notches ----- in Beams 0301 ----- in Joists 0326 ----- in Top Plates of Bearing Walls 0369 Hollow Concrete Floors 2006 Hollow Masonry - Channels must be Vertical 0365 Homes Built with Holes for Chimneys 0707 Honeycombing in Concrete 0269 Hopper and Awning Windows 1716 Horizontal Cracks ----- on Foundations 0244 ----- and Movement - Three Possibilities 0246 Horizontal Gas Furnace 0754 Horizontal Projection of Rafters Determine Span 0416 Horizontal Wood Siding 1779 Hot Climate Moisture Control 1319 Hot Climates - Controlling Moisture 1325 Hot Surface Ignition 0799 Hot Water ----- Radiant Heat 0898 ----- Boiler ----- ----- Copper Tube Heat Exchanger 0851 ----- ----- Heat Exchanger 0850 ----- ----- How It Works 0846 ----- Heating ----- ----- Balancing Methods 0880 ----- ----- Cast Iron Baseboard 0893 ----- ----- Circulating Pump 0885 ----- ----- Closed System 0875 ----- ----- Convectors 0891 ----- ----- Conventional Expansion Tank 0883 ----- ----- Covering Radiators Reduces Efficiency 0890 ----- ----- Diaphragm Tank 0884 ----- ----- Expansion Tank - Overflow Pipe 0882 ----- ----- Expansion Tank Water Levels 0881 ----- ----- Extending 0889 ----- ----- Finned Tube Baseboard 0892 ----- ----- Mixing Systems 0894 ----- ----- One Pipe System 0877 ----- ----- Open System 0874 ----- ----- Pipe Corrosion 0888 ----- ----- Radiant with Water Blender 0899 ----- ----- Radiator Covers 0848 ----- ----- Radiator Valve Leaks 0896 ----- ----- Radiators On Ceilings 0895 ----- ----- with Bypass Loop 0903 ----- ----- with Series Loop 0876 ----- ----- with Sidearm Heater 0901 ----- ----- with Tankless Coil 0900 ----- ----- with Two Pipe System (Reverse Return) 0879 House Air Changes with Exhaust System Components 1350 House Air Flow in a Forced Air Heating System 0711 House Fan - Whole 1266 ----- Inadequate Attic Venting 1267 House Structure - Overview 0200 House Ventilation - Three Approaches 1349 Household Wiring in Parallel 0511 Housewrap vs. Building Paper 1333 How Hot Water Boilers Work 0846 HRV ----- Basic Components 1352 ----- and ERV Heat Exchangers 1353 ----- Cold Side Ducts not Insulated 1397 ----- Components 1354 ----- Core Missing or Dirty 1404 ----- Defrost Control 1357 ----- Exhaust Grill Locations 1400 ----- Filter and Condensate Drains 1356 ----- Filter Dirty or Missing 1403 ----- Flow Collars and Balancing Dampers 1401 ----- Furnace Duct Connection 1399 ----- Intake and Exhaust Locations 1355, 1398 ----- not Interlocked with Furnace Fan 1402 ----- Trap in Condensate Drain 1405 Humidifier ----- above Heat Exchanger 0788 ----- Air Flow 0787 ----- Dampers Closed - Air Conditioning 1259 ----- Drum-Type 0785 ----- Trickle Type 0786 ----- on Forced Air Heating Systems 0785-0788 Hydronic Heating ----- Balancing Methods 0880 ----- Circulating Pump 0885 ----- Closed System 0875 ----- Convectors 0891 ----- Conventional Expansion Tank 0883 ----- Covering Radiators Reduces Efficiency 0890 ----- Diaphragm Tank 0884 ----- Expansion Tank - Overflow Pipe 0882 ----- Expansion Tank Water Levels 0881 ----- Extending System 0889 ----- Finned Tube Baseboard 0892 ----- Mixing Systems 0894 ----- One Pipe System 0877 ----- Open System 0874 ----- Pipe Corrosion 0888 ----- Radiant 0898 ----- Radiant with Water Blender 0899 ----- Radiators on Ceilings 0895 ----- Two Pipe System (Direct Return) 0878 ----- Two Pipe System (Reverse Return) 0879 ----- with Bypass Loop 0903 ----- with Sidearm Heater 0901 ----- with Tankless Coil 0900
I joists - Wood 0442 Ice Dam 0006, 0007, 0008 ----- at Skylight 0083 ----- below Skylight 2058 ----- on Party Walls 2016 ----- Preventing with Ventilation 1342 Ice on Gas Regulator 0718 ----- for Water Heater 1569 Igniters ----- Crossover for Gas Burners 0740 ----- Gas for Fireplaces 1095 Ignition - Hot Surface 0799 Illegal Electrical Taps 0543 Improper Sidewall Vent Locations for High Efficiency Gas Furnaces 0807 Improper Sidewall Venting of Gas Appliances 0802 Improper Slope on Chimney Cap 0984 Inadequate Wire Clearance over Roofs 0519 Incomplete Chimney Liner 0980 Indoor Caulking 0337 Inoperative Aquastat 0868 Inserts for Fireplaces - Flue Connections 0950 Inside and Outside Corners on Siding 0783 Inspecting an Oil Burner 0832 Inspecting High Efficiency Furnaces 0813 Inspecting Pressure Relief Valves on Boilers 0854 Inspecting the Service Box and Panels 0562, 0565 Inspection Cap Missing or Damaged for Floor Furnace 1161 Insulated Ceilings with Potlights 0607 Insulated Exterior Basement Stairwell 0239, 1875 Insulated Metal Doors 2063 Insulating Cathedral and Flat Roofs - Two Strategies 1379 Insulating Combustion Air Ducts for Fireplaces 1090 Insulating Cover Missing on Whole House Fan 1376 Insulating Crawlspaces 1388 ----- Clues 1389 Insulating Embedded Joists 1391 Insulating Flat and Cathedral Roofs 1377 Insulating Knee Walls 1365 Insulating Skylight Wells 1366 Insulation ----- Added to Flat and Cathedral Roofs - Evidence 1378 ----- Adding Exterior Basement 1385 ----- Adding Interior Basement 1386 ----- Adding to Solid Masonry Walls 1382 ----- Behind Radiators 0715 ----- Combustible in Basements and Crawlspaces 1392 ----- Combustible in Garages 1858 ----- Forms 1329 ----- Holes in Siding 1752 ----- in Floors over Unheated Areas 1394 ----- Levels - Recommended 1309 ----- Missing at Dropped Ceiling 1364 ----- on Foundation Exteriors 1884 ----- Rim Joist 1390 ----- Risks of Adding More 1362 ----- Short Circuits in Walls 1381 ----- the Basics 1300 - 1325 ----- too Close to Chimneys 1368 ----- Voids and Convective Loops 1327 ----- Wet below Roof Vents 1363 Insulbrick 1808 Intake and Exhaust Locations for Heat Recovery Ventilators 1355, 1398 Integral Curb Skylight on Sloped Roof 0082 Integral Gutter 1894 ----- Repairs 1899 Interior Basement Insulation - Adding 1386 Interior Ceilings 2017-2020 Interior Doors 2059-2066 Interior Drainage System for Leaky Basements 2081 Interior Flat Roof Drain 1893 ----- Clog 1918 Interior Floors 2002-2008 Interior Lintel - Sagging 0389 Interior Stairs 2024-2035 Interior Stairwell Lighting 2020 Interior Walls 2009-2016 ----- Common Locations for Water Damages 2011 ----- Inspecting 2010 ----- Shadow Effect 2013 ----- Structural Clues 2012 ----- Used to Repair Foundations 0260 Interior Water Damage Source to Flooring 2004 Interlocking Shingle Clay Tile 0042 Intermittent Pilotlight 0798 International Style 1739 Inverted Roof Membrane Assembly 0089 Ionic Column 1722 Isolating Links Needed on Pull Chains ----- for Electric Lights 0610 Italian Renaissance Style 1728 Italianate Style 1729
J Molding around Windows - Metal and vinyl siding 1804 Jack Stud Support 0374 ----- on Wide Openings 0387 Jalousie or Louver Windows 1717 Jet Pump ----- Two Line for Well 1525 ----- with Single Line for Shallow Wells 1524 Joining Vent Connector Sections for Wood Furnaces 1023 Joints - Mortise and Tenon 0324 Joints in Metal Valley Flashing 0058 Joints in Siding Boards 1790 Joist/Beam Connections 0306 Joists 0311-0331 ----- Attached to Beams with Ledger Boards 0323 ----- Attached to Steel Beams 0295 ----- Cantilevered 0328 ----- Ceiling - Overlapped Splices 0412 ----- Ceiling - Plywood Splices 0413 ----- Crack - Causes 0327 ----- Crown up 0315 ----- don't Insulate if Embedded 1391 ----- End Support 0320 ----- Fire Cut 0314 ----- Floors - Types 0311 ----- Notching and Drilling 0326 ----- Overlap - Excessive 0319 ----- Rim 0316 ----- Roof 0411 ----- Sagging Correction 0317 ----- Strapping, Bridging and Blocking 0318 ----- Support 1843 ----- Wood I 0442 Jumper Wires for Electric Grounds 0552, 0553