Quote:
Originally Posted by dougawhite
I bought a delta replacement tub mixing valve (just the valve guts, not the outside valve body that's inside the wall). I asked Gay Plumbing to install this valve replacement kit and their fixed price for the job was nearly $800!! I said no and am now scratching my head. I may try it myself, but I have the same concern as expressed above about having to rely on the whole house shutoff valve. If something goes wrong I'd be in big trouble!
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like I said, I use my main shut off valve every spring and autumn. your $800 plumber is going to have to use it as well. There is no other way to shut off the water to your tub fixture.
I used it when I changed out the seals in my faucet, and I use it when I change the water filter in my refrigerator.
Being turned off and on is what it is designed for. Your system is built for 60-70psi. Mine measures 70psi at the hose bib.
It probably doesn't matter, but I left the kitchen faucet open when I turned the valve back on.