Water Heater Shut Off Valve Not Working

If you ve ruled out problems with your pilot light or thermocouple your water heater s gas valve is most likely to blame.
Water heater shut off valve not working. If you leave a valve turned off for a long period of time and finally switch it back on it is common for the valve to start dripping. Sometimes your water heater needs to be replaced or repaired and shutting off i. A water supply valve that won t work or leaks when it is shut can be repaired. To fix this drip you can try tightening the packing nut and turning the valve off and back on again a few times for the dripping to stop.
If the supply of gas to the pilot light or burners is interrupted due to the gas valve or its inner elements being damaged your gas water heater will shut off. If the water doesn t drain it could be that mineral deposits have blocked the drainage channels. Next turn off all the open faucets in the house. You can shut off the water by turning off the main water supply valve near the water meter.
With an automatic shut off valve the leak is detected early and the flow is stopped. If the valve won t turn off the water or shut off completely it is likely tha. But if you don t find the shut off valves don t worry. Even better some types of automatic shut off valves include a disconnect for the power as well which could mean the difference between repairing a leak and replacing your water heater.
If you do try to fix it here are the basic steps involved. Close the cold water cut off valve going into the water heater. That location is described below. Some homes are equipped with branch valves that can be used to shut off the water supply to selected branch lines in the home.
Be sure to repair or replace the malfunctioning valve while you re at it. Shutting off cold water shut off valve doesn t stop flow of cold water. If you re working on one of these and the shut off valve isn t working you can simply use the main shut off valve to stop the flow of water into your home. But after time of use or none use the bibb washer on the stop stem becomes worn and fails to stop the water.
First turn off the gas to the water heater or flip the breaker if it s electric. Keep the drain valve open until all the water runs out and then close it. Have you ever wondered how to shut off the water supply to your water heater.