Whirlpool Ultra Low Nox Gas Water Heater with the Flame Guard Safety System Use and Care Guide

1Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.WHAT TO DO IF YOU SMELL GAS • Do

10Vent Pipe SystemThis water heater uses a non-direct, single-pipe vent system to remove exhaust gases created by the burning of fossil fuels. Air for

11Chimney ConnectionIMPORTANT: Before connecting a vent to a chimney, make sure the chimney passageway is clear and free of obstructions. The chimney

12Water System PipingPiping InstallationPiping, fittings, and valves should be installed according to the installation drawing (Figure 13). If the ind

13Please note the following: • The system should be installed only with piping that is suitable for potable (drinkable) water such as copper, CPVC, o

14Temperature and Pressure Relief ValveFor protection against excessive pressures and temperatures, a temperature and pressure relief valve must be in

15Special ApplicationsCombination Space Heating/Potable Water SystemSome water heater models are equipped with inlet/outlet tappings suitable for comb

16Water Heater LocationWater heater location is important and can affect system performance. Please check the following:□ Installation area free of

17OPERATING YOUR WATER HEATERLighting InstructionsRead and understand these directions thoroughly before attempting to light or re-light the pilot. Ma

18FOR YOUR SAFETY READ BEFORE LIGHTINGA. This appliance has a pilot which is lighted by a piezoelectric igniter. When lighting the pilot, follow these

19Burner FlamesInspect the burner flames through the viewport. Flames should be very small with a blue haze and small amounts of yellow or orange at t

2Table Of ContentsWater Heater Safety ...1-2Installing Your Gas Water Heate

20Water Temperature RegulationThe thermostat is adjusted to the pilot position when it is shipped from the factory. Water temperature can be regulated

21Operating the Temperature Control SystemFigure 19B: Status CodesVACList of status codes are shownat top of gas control valve/thermostat.Water Temper

22NOTE: This rod may reduce but not eliminate water odor problems. The water supply system may require special filtration equipment from a water condi

23MAINTENANCE OF YOUR WATER HEATERDraining and FlushingIt is recommended that the tank be drained and flushed every 6 months to remove sediment which

24Replacement PartsIMPORTANT: The following maintenance procedures are for the Flame Guard™ Safety System components and should be performed by a qual

25Replacing the Pilot/Thermopile Assembly1. Remove the burner assembly. See Removing the Burner Door Assembly Section.2. Lift the retainer clip stra

26PilotThermopilePilot/ThermopileAssemblyPilot Tube(Ferrule Nut Not Shown)Igniter ConnectorThermopileConnectorsFigure 28Pilot/Thermopile Assembly(50K

27if the door gasket does not create a seal between the burner door and the combustion chamber.6. Reconnect the manifold tubing (3/4” wrench), pilot

28Flame Guard™ Safety System Operational ChecklistTROUBLESHOOTING CHART4. Manifold component block properly installed.5. No leaks at pilot and manif

29PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTIONPILOT WILL NOT LIGHT OR REMAIN LIT (continued)9. ECO switch open10. Pilot line or orifice clogged11. No

3INSTALLING YOUR GAS WATER HEATERImportant Information About This Water HeaterThis gas water heater was manufactured to voluntary safety standards to

30STATUS LIGHT CODE TROUBLESHOOTING CHART LED STATUS PROBLEM CORRECTIVE ACTION0 FLASHES (LED NOT LIT) Pilot light is not lit. Not enough power (milliv

31PILOT LIGHT TROUBLESHOOTING CHART Have you bled all the air from the pilot tube and gas supply line?NOWhile repeatedly depressing the igniter button

32REPAIR PARTS ILLUSTRATION1A2385A1011976A6B5B41BLEGENDSpecial anode rod (see page 21)Temperature and Pressure Relief Valve is required, but may not b

33Listed Parts Kits and IllustrationsItem 12A: Pilot assembly kit, which contains the pilot, electrode, and thermopile (Natural Gas)Item 12B: Pilot as

34NOTES

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36Copyright © 2012 American Water Heater Company. All Rights Reserved. Printed in the U.S.

4Location RequirementsThe Flame Guard™ Safety System is designed to reduce the risk of flammable vapor-related fires. The patented system protects you

5IMPORTANT: The water heater should be located in an area where leakage of the tank or connections will not result in damage to the area adjacent to t

6Gas SupplyGas RequirementsIMPORTANT: Read the data plate to be sure the water heater is made for the type of gas you will be using in your home. This

7Combustion Air Supply and VentilationIMPORTANT: Air for combustion and ventilation must not come from a corrosive atmosphere. Any failure due to cor

8Unconfined SpaceA water heater in an unconfined space uses indoor air for combustion and requires at least 50 cubic feet for each 1,000 BTU/HR of the

9All Air from OutdoorsOutdoor fresh air can be provided to a confined area either directly or by the use of vertical and horizontal ducts. The fresh a