![]() ![]() If it really is an over-pressure it should just open and let water out and not fail catastrophically other than water in the pan. Of course, it is up to you.personally, I'd just tell my DW to turn the temperature control all the way down and monitor it until I got home. OR, it may just be leaking since the valve has a gasket inside it and not be experiencing an over-pressure at all. ![]() If you have a pressure regulator coming into your house, it could be causing pressure changes too. When they start to leak in a system the age of yours, there will a propensity to get grit on the seal so that when the pressure drops back to normal, it will leak slightly. This pressure change can be from the normal water system pressure variation being supplied to your house. With age, they can get weak and start to leak whenever the pressure is higher than the average pressure seen at the house/tank. They are intended to prevent a catastrophic tank failure which could result in a steam explosion. It is selected to match the structure rating of the water heater. These are well above normal house pressures and heater operating temps. A given relief will have specific pressure and temperature. The valve is designed to open and relieve pressure if:ģ. Good that there is a draining catch pan under the heater. The pipe is only to direct the water down so as to not spray you. Under normal conditions, the valve should never open. Luckily the drain pan also has an outflow pipe that should discharge water if it gets too full.įor now the drip has stopped and water is receding out of the drain pan. Unfortunately also the water heater is infact in the house. Please help me understand, how can this be a relief valve issue? are you saying if the relief valve was working properly, the water would never come out of the pipe (i.e. ![]()
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