Question about Water Heaters
I need to replace expansion tank on 75 gal water heater. My overflow is always going off. Also I read something about pressurizing the new tank with a bicycle pump. How much pressure do I need?? Help please. Thanks John
Read product manual:
Water pressure should not exceed 80psi
Troubleshoot TP valve:
Posted on Feb 12, 2014
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Posted on Jan 02, 2017
SOURCE: gas hot water tank, pilot light
Look inside the water heater when it is heating the water, the flame should be blue. If it has yellow tips on the flame, it needs an adjustment to the air shutter. There is a nut on this air shutter to make this adjustment. This adjusts the air gas mixture. You may first try just simply tapping on the burner lightly to loosen any debris that may have built up and vacuum it out. MAKE SURE YOU TURN OFF THE GAS BEFORE CLEANING THE BURNER!! Also, check for drafts that may be blowing out your pilot light, Furnace register or outside drafts on windy nights. Some water heaters have an automatic shut down if the water heater gets too hot, so don't have it set to its hottest setting. Most water heaters only last about 10 years or so, It could be you are ready for a new one....Joe
Posted on Dec 16, 2008
Th epproblem you are most likely have is from a safety called a flag switch usually located either in the blower or right past it. When you unplug and replug you reset the switch. Sequence of events.
1 fan comes on.
2 switch is made from the airflow of the fan.
3 ignitor come on
4. main gas valve opens and ignitor starts flame.
You are being stopped at step 2 when the fan does not move with the air. This shuts off and out the water heater from calling again. Find the fan switch and make sure it moves easily. They get dirty and also dry from lack of lube. Good luck.
Posted on Mar 16, 2009
The thermostatic mixing spool cartridge may be worn out. The low water pressure may indicate sediment in the cartridge as well. This can be easily removed by hand tools
Posted on Feb 19, 2010
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