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TABLE OF CONTENTS

Water Heater Safety ........................................................................................................................................................................... 1-4
Safe Installation, Use and Service  ...................................................................................................................................................... 3
Safety Precautions  ............................................................................................................................................................................ 3-4
Typical Installation  ............................................................................................................................................................................... 5
Installing Your 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

Gas Pipe Capacity Table ....................................................................................................................................................... 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 ............................................................................................................................... 16-17

T&P Relief Valve and Pipe Installation .................................................................................................................................. 17

Combination Space Heating/Potable Water System ........................................................................................................ 17-18

Solar Installation .................................................................................................................................................................... 18

Electrical Connections and Wiring Diagram .......................................................................................................................... 18

Important Information About this Water Heater .............................................................................................................................. 19
Operating Your Water Heater ....................................................................................................................................................... 20-25

Gas Valve/Thermostat - Lighting Instructions ........................................................................................................................ 20

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 .............................................................................................................................................. 25-27

Replacement Parts ................................................................................................................................................................ 25

Removing the Burner from the Manifold/Burner Assembly ................................................................................................... 25

Replacing the Flame Sense/Hot Surface Igniter Assembly ................................................................................................... 26

External Inspection & Cleaning of the Air Intake Chamber Louvers ..................................................................................... 26

Cleaning the Combustion Chamber andAir Diverter Assembly ............................................................................................. 26

Replacing the Manifold Burner/Assembly ......................................................................................................................... 26-27

Removing and Replacing the Gas Control Valve/Thermostat ............................................................................................... 27

FVIR System Operational Checklist ...................................................................................................................................... 28

Troubleshooting Chart  .................................................................................................................................................................. 28-29
Control Display Troubleshooting  ................................................................................................................................................ 30-33
Repair Parts Illustration  ..................................................................................................................................................................... 34

Listed Parts Kits and Illustrations............................................................................................................................................ 35

Notes .... .......................................................................................................................................................................................... 36-38
Warranty .......................................................................................................................................................................................... 39-40