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Water Heater Safety .......................................................................................................................................................................... 1 -2
Safe Installation, Use and Service ...................................................................................................................................................... 3
Safety Precautions ............................................................................................................................................................................ 3-4
Typical Installation ............................................................................................................................................................................... 5
Installing you Gas Water Heater ...................................................................................................................................................... 6-8
Important Information About Your Water Heater ...................................................................................................................... 6
Consumer Information ............................................................................................................................................................. 6
Consumer Responsibilities ...................................................................................................................................................... 6
Unpacking the Water Heater ................................................................................................................................................... 6
Location Requirements ............................................................................................................................................................ 7
Site Locations .......................................................................................................................................................................... 7
Clearances and Accessibility ................................................................................................................................................... 8
State of California .................................................................................................................................................................... 8
Gas Supply ....................................................................................................................................................................................... 9-10
Gas Requirements .................................................................................................................................................................... 9
Gas Piping ............................................................................................................................................................................... 9
Gas Pressure ........................................................................................................................................................................... 9
Gas Pressure Testing ............................................................................................................................................................... 9
LP Gas Only ........................................................................................................................................................................... 10
Combustion Air and Ventilation .................................................................................................................................................... 11-15
Unconfined Space ................................................................................................................................................................... 11
Confined Space ...................................................................................................................................................................... 11
All Air from Inside the Building ............................................................................................................................................... 12
All Air from Outdoors .............................................................................................................................................................. 12
Louvers and Grilles ........................................................................................................................................................... 12-13
Vent Pipe System .................................................................................................................................................................. 13
Draft Hood Installation ...................................................................................................................................................... 13-14
Vent Pipe Size ....................................................................................................................................................................... 14
Vent Connectors .................................................................................................................................................................... 14
Chimney Connection .............................................................................................................................................................. 14
Vertical Exhaust Gas Vent ................................................................................................................................................ 14-15
Water System Piping ..................................................................................................................................................................... 15-18
Piping Installation .............................................................................................................................................................. 15-16
Closed System/Thermal Expansion ....................................................................................................................................... 16
Temperature & Pressure Relief Valve .................................................................................................................................... 17
T&P Relief Valve and Pipe Installation .................................................................................................................................. 17
Combination Space Heating/Potable Water System ........................................................................................................ 17-18
Solar Installation .................................................................................................................................................................... 18
Important Information About this Water Heater .............................................................................................................................. 19
Operating Your Water Heater ....................................................................................................................................................... 20-25
White-Rodgers Gas Valve/Thernostat - Lighting Instructions ................................................................................................ 20
RobertShaw Gas Valve/Thermostat - Lighting Instructions .................................................................................................. 21
Checking the Draft ................................................................................................................................................................. 21
Burner Flames ....................................................................................................................................................................... 22
Emergency Shutdown ............................................................................................................................................................ 22
Water Temperature Regulation ......................................................................................................................................... 22-23
Operational Conditions ..................................................................................................................................................... 23-24
Routine Preventive Maintenance ........................................................................................................................................... 24
Temperature and Pressure Relief Valve ................................................................................................................................ 25
Maintenance of Your Water Heater .............................................................................................................................................. 25-29
Replacement Parts ................................................................................................................................................................ 25
Removing the Burner from the Manifold/Burner Assembly .............................................................................................. 25-26
Replacing the Thermocouple ................................................................................................................................................. 26
Replacing the Pilot/Pilot Tube Assembly ............................................................................................................................... 26
External Inspection & Cleaning of the Base-Ring Filter ........................................................................................................ 27
Cleaning the Combustion Chamber and Flame-arrestor ....................................................................................................... 27
Replacing the Manifold Burner/Assembly ......................................................................................................................... 27-28
Piezoelectric Igniter System .................................................................................................................................................. 28
Testing the Igniter System ..................................................................................................................................................... 28
Removing and Replacing the Gas Control Valve/Thermostat .......................................................................................... 28-29
FVIR System Operational Checklist ...................................................................................................................................... 29
Troubleshooting Checklist ........................................................................................................................................................... 29-30
Pilot Light Troubleshooting Flowchart ............................................................................................................................................ 31
Repair Parts Illustration ..................................................................................................................................................................... 32
Listed Parts Kits and Illustrations............................................................................................................................................ 33
Notes ................................................................................................................................................................................................... 34
Warranty .......................................................................................................................................................................................... 35-36