Water heater pressure valve drip

[roadglide]

I have 3 year old surburen 11 gal water heater . I have been surfing the web and come across article saying the rv water heater can loose air at the top causing it to drip . I have never heard that before and haven't found any place to replace the air back into the top of the water heater . I guess it make sense any ideas on that theory.

[CaptnJohn]

I have 3 year old surburen 11 gal water heater . I have been surfing the web and come across article saying the rv water heater can loose air at the top causing it to drip . I have never heard that before and haven't found any place to replace the air back into the top of the water heater . I guess it make sense any ideas on that theory.



Are you saying there is a bladder near the top? Even if so the pressure release valve would be below any bladder which I don't see how that would cause a drip.


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[chuckster57]

The air gap is necessary to allow for expansion when the water is heated. Easiest way to replace it is to just remove the plug/anode rod. Gives you the chance to inspect the rod/tank. Put the rod/plug back in, close the valve. Hook up the water, turn on any hot water tap and when you have steady water stream your done.

[shiggs68]

I have 3 year old surburen 11 gal water heater . I have been surfing the web and come across article saying the rv water heater can loose air at the top causing it to drip . I have never heard that before and haven't found any place to replace the air back into the top of the water heater . I guess it make sense any ideas on that theory.



https://uploads.tapatalk-cdn.com/20180320/839938888fecccf3881c9f456c38dc37.jpg While this is from the Atwood Service Manual, it also applies to Suburban



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