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TABLE OF CONTENTSWater 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/Thermostat - 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