Whirlpool UG1F4040T3NOV, 285258, 285256, 285253, 285255, 285257 Combustion Air Supply and Ventilation

Contents with the Flame Lock Safety System Installation Instructions and Use & Care GuideUltra Low Nox Gas Water Heater PAGE WATER HEATER SAFETYTable Of Contents Important InstructionsConsumer Responsibilities INSTALLING YOUR GAS WATER HEATERImportant Information About This Water Heater Consumer InformationSite Location Location RequirementsState of California Clearances and AccessibilityGas Requirements Gas SupplyGas Pressure Combustion Air Supply and Ventilation Confined Space Unconfined SpaceAll Air from Inside the Building Reference All Air from OutdoorsLouvers and Grilles OpeningVent Pipe Size Draft hood InstallationVent Connectors Vent Pipe SystemVertical Exhaust Gas Vent Chimney ConnectionPiping Installation Water System PipingClosed System/Thermal Expansion T&P Relief Valve and Pipe Insulation Some Models Temperature and Pressure Relief ValveExplosion Hazard Do not plug valve. Do not remove valveSpecial Applications Solar InstallationCombination Space Heating/Potable Water System Combustion Air Supply and Ventilation Installation ChecklistImportant Information About This Water Heater Water Heater LocationLIGHTING INSTRUCTIONS OPERATING YOUR WATER HEATERLighting Instructions FOR YOUR SAFETY READ BEFORE LIGHTINGTO TURN OFF GAS TO APPLIANCE Checking the DraftFOR YOUR SAFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONSWater Temperature Regulation Burner FlamesStacking Emergency Shut DownWater Heater Sounds Operational ConditionsSafety Shut-off CondensationTemperature and Pressure Relief Valve MAINTENANCE OF YOUR WATER HEATERRoutine Preventive Maintenance Draining and FlushingNatural Gas Burner Ultra Low Nox Replacement PartsRemoving the Burner Door Assembly Replacing the Pilot AssemblyReplacing the Thermocouple Cleaning the Pilot AssemblyExternal Inspection & Cleaning of the Flame-trap Cleaning the Combustion Chamber and Flame-trapTesting the Igniter System Replacing the Burner Door AssemblyPiezoelectric Igniter System Flame LockSafety System Operational Checklist TROUBLESHOOTING CHARTPILOT WILL NOT REMAIN LIT PROBLEMPOSSIBLE CAUSES CORRECTIVE ACTIONSection A Pilot light will not light PILOT LIGHT TROUBLESHOOTING CHARTRepair Parts List REPAIR PARTS ILLUSTRATIONListed Parts Kits and Illustrations