1593 Relative recovery rates
1594 BTUs per hour compared to Kilowatts
1595 Gas burner cover and roll out shield
1596 Working space around water heaters
1597 Water heaters in garages
1598 Superheated water
1599 Temperature/pressure relief valve |  1600 Gas shut off on high temperature
1601 Baffle collapsed or missing
1602 Isolating and drain valves
1603 Multiple water heaters are installed in parallel
1604 Circulating hot water system
1605 Power vented water heater
1606 Improper side wall vent locations |
