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Multi-turn valve is not turning off the water at the sink

So, you didn't replace the valve, you replaced only the valve stem, 3X? Your writing on this point is a bit unclear. You have a bad valve seat. Replace the whole valve. ...and get a 1/4 turn ball-type ...
Ecnerwal's user avatar
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1 vote

What is this valve for?

Cold water Seriously. The convention is blue for cold, red for hot. That's all we can tell from looking at the valve. You have to find what stops working, or what starts leaking, to know what it ...
manassehkatz-Moving 2 Codidact's user avatar
1 vote

What is this valve for?

Look outside. Is there a hose connection somewhere near this on the outside of the house? Would be very typical of a "shut off the hose supply in winter" valve (so proper use is shut this ...
Ecnerwal's user avatar
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0 votes

Water Heater Pressure Relief Valve Leaking

You may have a bad valve. Or you may have a bad expansion tank and a good valve. Or both may be bad. Or the expansion tank may not be all bad yet, but might not have enough air in it. Since it SHOULD ...
Ecnerwal's user avatar
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0 votes

Water Heater Pressure Relief Valve Leaking

This Old House has a video explaining this. You need a potable water expansion tank. https://www.youtube.com/watch?v=NnlxQGIju4Q The pressure relief valve is doing precisely what it is designed to ...
Steve Wellens's user avatar
0 votes

Water Heater Pressure Relief Valve Leaking

You surmise correctly. You need to replace the valve. When the water is heated and the pressure builds it allows water to "weep". It will only continue to get worse. Age makes it suspect ...
RMDman's user avatar
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0 votes

Need help identifying stem, replacing tub stem assembly 1920s

Definitely old American Standard. There are replacement valves/stems available but I urge you to find a good plumbing shop (NOT the "big box stores) and take your existing valve to the shop to ...
Jimmy Fix-it's user avatar
  • 35.1k
3 votes

What is the name for the valve that can fully control the flow between 3 points?

Its a 3 way valve. For example from How Does A 3-Way Ball Valve Work Note its not my site, just giving it credit for the image.
Rohit Gupta's user avatar
  • 5,090
0 votes

How to remove Giacomini plastic radiator valve head?

I believe that plastic under collar is just a friction fit on. The actual valve body is metal. Try levering with several small screwdrivers from the pipe direction - you want to stretch the collar a ...
user1908704's user avatar
  • 1,212
8 votes
Accepted

Hot water heated T&P valve fully opened itself flooding my garage

Yes, it is safe to assume that the T&P valve has failed and needs to be replaced. Even without the flood, a constant dripping is a sign of a problem. However, that leaves open the question of ...
manassehkatz-Moving 2 Codidact's user avatar

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