|Posted by John Scates on February 02, 19101 at 19:36:46:|
|In response to Re: water heater pressure relief|
Charlie is right. The leak most likely comes from water expansion, combined with a check-valve somewhere in your water supply. Recently, more and more communities are requiring check-valves to prevent water from homes back into the community water source. The relief valves are typically set to open at 150 psi or 210 degrees. Your heater is not immediately hitting the relief valve stem with 210 degrees, since it is immersed in relatively "cool" water, so temperature is not the cause of the immediate activation.
DO NOT attempt to relocate or modify the relief valve. Water heaters are pressure vessels and can reach dangerous pressures if the valve is rendered ineffective.
At this point, I see two solutions.
Hope this helps,
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