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Old 03-25-2010, 06:09 PM   #1
Ducay
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Default Plumbing: How to measure water pressure?

With a gauge!

Real question: Im trying to install a thermal expansion tank in my potable water supply, and for the tank to function properly, the tanks pressure must equal that of the supply.

For the life of me, I cannot find a gauge to measure water pressure. I've been to a couple plumbing supply stores and the big-box stores, yet no dice.

What Im looking for exactly whats in the picture below. My problem is not the gauge part, all the plumbing stores carry boat loads of them. My problem is finding an adapter that will go from a 3/4" threaded hose end, to the gauge's 1/4" end......any ideas? I either need to find the bottom piece (or something serving the same purpose), or a 1piece gauge.

Only solution the plumbing store guys could come up with was soldering in a tee into the line that is the adapted into the threaded 1/4" female end, allowing the gauge to be screwed in.

So brain trust.....what say you?

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