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kittenrice t1_iyexd5g wrote

That's...odd, is there a crack through the threads in the water heater?

Did you put on teflon tape, tighten it as much as you could, then go one more time around?

Teflon tape doesn't seal the joint, it lubricates the threads so you can get a tighter fit - the thread on thread contact is what makes the seal. If you look closely, you'll notice the threaded part of the TPR valve is slightly tapered.

Did you adjust it after installing it?

Doing so can break the seal.

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rc10mike OP t1_iyf6obw wrote

Yes I tightened the way you describe. I didn't adjust it afterwards either. It's just weird that it started after 4 years now I can't get it to stop

Edit: The threads on the tank look fine, but the port is about 3in below the outer surface of the water heater so getting a close look is almost impossible

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kittenrice t1_iyfbofr wrote

It is really weird...is it still under warranty?

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