Quote:
Originally Posted by Blueblaze
Your plumbing is under pressure all the time. Leaving it under pressure when the source is turned off will make no difference whatsoever.
The bigger issue is that cheap plastic shut-off valve. It's there for emergency use only, and is not designed to me messed with all the time. You're liable to cause the leak you're trying to avoid by using it regularly.
The first thing I did when I bought this house was replace that valve (which was already leaking, I might add), along with all those stupid plastic pop-off valves in the house. It cost me about $300 to save tens of thousands. I still get a shiver down my back every time I look at all those plastic stub-outs I couldn't afford to replace. It boggles the mind that those are legal in Florida. All it would take is someone bumping that toilet stub-out while mopping to have a disaster. CPVC becomes as brittle as glass as it ages.
And, yes -- do relieve the pressure when you turn the water back on, by opening a faucet at the far end of the house.
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I agree about the main shutoff valve. That is why you don't want a home watch company turning your water on and off every 2 weeks or so to flush the toilets, even if you have a metal valve.