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Old 01-12-2018, 11:01 PM   #1
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Join Date: Oct 2017
Posts: 7
Hot water heater pressure release valve leaking

I was tinkering with the hot water heater and opened the release valve for a few seconds ó- ever since I have a small lead coming from the valve when connected to water (heater doesnít have to be on).

I have now opened and closed it dozens of times after hearing that maybe some sentiment may have got in the seal or maybe the seal just didnít seat itself back properly.

Any simple fix ideas before I replace the valve?

Itís a 2005 RV so maybe itís just time?

Thanks in advance for any ideas!

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Old 01-12-2018, 11:30 PM   #2
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Join Date: Jul 2015
Location: Texas Coastal Bend
Posts: 827
As you've probably guessed, it's time for a new T&P valve. It's a pretty cheap and easy fix, but considering how long the valve has been in there it might take a bit of force to break it loose.
It's a good thing you mentioned the leak exists with the heat off. If the drip only happens when hot, there could be a problem with the thermostat allowing the water to overheat and the increased pressure and temperature can cause the valve to unseat like it's supposed to. That's also why it's very important to never cap off or disable the T&P valve as it is a very necessary safety feature.
While your at it, have you checked your anode rod lately?
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heater, hot water, leak, pressure, valve, water, water heater

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