Whirlpool UG1H5040T3NOV All Air from Outdoors, Louvers and Grilles, Opening, Reference, Source

Contents Installation Instructions and Use & Care Guide with the Flame Lock Safety SystemUltra Low Nox Gas Water Heater Table Of Contents WATER HEATER SAFETYImportant Instructions PAGEImportant Information About This Water Heater INSTALLING YOUR GAS WATER HEATERConsumer Information Consumer ResponsibilitiesSite Location Location RequirementsState of California Clearances and AccessibilityGas Supply Gas RequirementsGas Pressure Combustion Air Supply and Ventilation Unconfined Space Confined SpaceAll Air from Inside the Building Louvers and Grilles All Air from OutdoorsOpening ReferenceVent Connectors Draft hood InstallationVent Pipe System Vent Pipe SizeVertical Exhaust Gas Vent Chimney ConnectionPiping Installation Water System PipingClosed System/Thermal Expansion Explosion Hazard Temperature and Pressure Relief ValveDo not plug valve. Do not remove valve T&P Relief Valve and Pipe Insulation Some ModelsSolar Installation Special ApplicationsCombination Space Heating/Potable Water System Important Information About This Water Heater Installation ChecklistWater Heater Location Combustion Air Supply and VentilationLighting Instructions OPERATING YOUR WATER HEATERFOR YOUR SAFETY READ BEFORE LIGHTING LIGHTING INSTRUCTIONSFOR YOUR SAFETY READ BEFORE LIGHTING Checking the DraftLIGHTING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCEStacking Burner FlamesEmergency Shut Down Water Temperature RegulationSafety Shut-off Operational ConditionsCondensation Water Heater SoundsRoutine Preventive Maintenance MAINTENANCE OF YOUR WATER HEATERDraining and Flushing Temperature and Pressure Relief ValveRemoving the Burner Door Assembly Replacement PartsReplacing the Pilot Assembly Natural Gas Burner Ultra Low NoxExternal Inspection & Cleaning of the Flame-trap Cleaning the Pilot AssemblyCleaning the Combustion Chamber and Flame-trap Replacing the ThermocoupleReplacing the Burner Door Assembly Testing the Igniter SystemPiezoelectric Igniter System Flame LockSafety System Operational Checklist TROUBLESHOOTING CHARTPOSSIBLE CAUSES PROBLEMCORRECTIVE ACTION PILOT WILL NOT REMAIN LITSection A Pilot light will not light PILOT LIGHT TROUBLESHOOTING CHARTRepair Parts List REPAIR PARTS ILLUSTRATIONListed Parts Kits and Illustrations