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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