this post was submitted on 08 Aug 2023

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First time ever installing a water heater, or doing any plumbing... (lemmy.world)

submitted 1 year ago by AnotherPerson to c/homeimprovement

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[–] [email protected] 11 points 1 year ago (1 children)

Pressure won't build up, it will be let out by the pressure relief valve and make a mess on the floor. Which is also undesirable.

[–] SheeEttin 1 points 1 year ago

Well, right up until the pressure relief valve fails. Whether it fails open or closed, you're gonna have a bad time, because either way you're probably going to have a lot of water where there's not supposed to be water.