Whirlpool UG1F4040T3NOV, 285258, 285256 Replacing the Thermocouple, Cleaning the Pilot Assembly

Contents Ultra Low Nox Gas Water Heater Installation Instructions and Use & Care Guidewith the Flame Lock Safety System 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 Pressure Gas SupplyGas Requirements Combustion Air Supply and Ventilation All Air from Inside the Building Unconfined SpaceConfined Space 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 valveCombination Space Heating/Potable Water System Solar InstallationSpecial Applications 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-trapPiezoelectric Igniter System Replacing the Burner Door AssemblyTesting the 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