The switch also trips when it senses flammable vapors near the water heater, such as gasoline or paint fumes. Allow the fumes to dissipate before shutting the windows or doors. Vacuum the inside of the combustion chamber, paying particularly close attention to the bottom of the chamber. Why Would Water Come Out of the Top of a Hot Water Tank? For your safety, cleaning of the burner must be performed only by qualified service personnel. Check the draft hood at the top of the water heater for obstructions. Cecilia Harsch has been writing professionally since 2009. How to Insulate Water Heaters Exposed in a Garage, How to Fix a Maytag Neptune Dryer Ignition. Releasing the door from the side of the tank allows you to pull the burner assembly from the combustion chamber. The pilot line, manifold, thermocouple and igniter wires all thread through the manifold door. If the flame draws toward the opening, you have a proper draft. Q: After replacing thermocouple, why won't the pilot stay lit? Restart the gas water heater by following the lighting directions printed on the side of the water tank. You must turn off the pilot and the thermostat, then use an adjustable wrench to disconnect the pilot line, thermocouple, manifold tube and igniter line from the bottom of the thermostat. For cleaning, remove the burner from the water heater. Test for spillage at the draft hood relief opening after 5 minutes of burner operation. Blocked vents at the top and bottom of the water heater can cause excessive heat buildup inside the chamber and trip the thermal switch, shutting off the gas supply to the burner assembly. If the flame sputters or blows out, the vent pipe needs repairs, or the vent cap could be blocked by debris or a birds nest. Top subscription boxes right to your door, 1996-2022, Amazon.com, Inc. or its affiliates. The burner chamber is a sealed area. Sure Comfort SCG40T03ST34U1 | Pages: 28 | Created on: 2018-08-17 | File type: PDF | Filename: Inspection Inspect the gas venting system and the chimney. Through the sight glass, inspect the pilot burner flame with the main burner off and inspect the main burner while firing. Clean the flame trap, or flame arrestor, beneath the burner inside the combustion chamber. The anode rod is slowly consumed, thereby eliminating or minimizing corrosion of the glass lined tank. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. Open the windows and doors to the area containing your gas water heater if you have experienced a gas spill or you recently painted the room. The burner assembly connects to these lines inside the combustion chamber. Find the thermal switch on the manifold door. Check the water heater for issues that can cause the switch to trip before resetting it. Visually inspect the pilot burner and main burners annually. How to Remove Surface Rust From Range Burners, How to Troubleshoot a Gas Grill With a Low Flame, How to Install a Thermocouple for a Propane Wall Heater, American Water Heaters: Gas Water Heater With the Flame Guard Safety System Installation Instructions and Use and Care Guide, Whirlpool: Flame Lock Gas Water Heater Operation, Bradford White: The Bradford White Defender Safety System Service Manual, Beautiful houseplants that also repel mosquitoes, cockroaches and other pests. If after inspection of the vent system you found soot or deterioration; call the local gas utility to correct the problem and clean the flue, or replace the flue, flue baffle, and venting system before resuming operation of the water heater. Copyright 2022 ManualsFile.com. Sure Comfort - Water Heaters. Ensure nothing is stored on top of the appliance. Harsch received her Certified Nurses Assistant license in 2004. She attended Tarrant County College and studied English composition. Water sometimes contains a high sulfate and/or mineral content and together with cathodic protection process can produce a hydrogen sulfide, or rotten egg odor in the heated water. User GudieSure Comfort SCG40T03ST34U1 Water Heater. This requires turning off the gas supply to the water heater. A thermal switch is installed in newer gas water heaters as a safety device. This water heater is equipped with an anode rod designed to prolong the life of the glass lined tank. Make certain the vent connector from the draft hood to the chimney is properly positioned and securely attached. Push the small button in the middle of the thermal switch to reset it. A vacuum cleaner can be used on the burner and floor shield inside the water heater. She has several years of experience in the home-improvement industry, focusing on gardening, and a background in group exercise instruction. If any unusual burner operation is noted, the water heater should be shut off until qualified service assistance can be obtained. Look along the bottom of the water heater. Remove the screws holding the manifold assembly door to the side of the water tank. Use manuals file type: PDF. The burner can also be cleaned by scrubbing with mild detergent. All rights reserved. When your gas water heater is operating correctly, hold the flame of a lit match near the draft opening. Chlorination of the water supply should minimize the problem. Use a flame of a match or candle or smoke. She writes mainly home improvement, health and travel articles for various online publications. If the burner access door is removed, the burner access door gasket must be replaced. There must be at least 3 inches of clearance around all sides of the water heater. Install the burner assembly inside the water heater and reconnect all the lines. Sure Comfort SCG40T03ST34U1 Water Heater - Use Manual - Use Guide PDF. Make sure nothing blocks the air vents cut in the side of the water tank. 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