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OrangePeel

15 posts

Geek


#171406 16-Apr-2015 21:15
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Hi guys,

Was just under the house fixing a duct when I discovered a leak from our water pipe coming in from the street. There's some kind of T intersection in the pipe with water dripping out a small hole in the bottom. I'm wondering if this is a pressure relief valve of some sort since it doesn't seem to have anything connected to the bottom, and the hole the water is coming out of is only about 5mm diameter. Here's a blurry pic I took while I was down there:

Click to see full size

Anyone got any idea what this is and why it would be dripping? Looking at the ground below it's probably been dripping a while.


Thanks!

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Aredwood
3885 posts

Uber Geek


  #1285917 16-Apr-2015 22:57

That is an early design RMC pressure limiting valve. It is leaking from that hole in the bottom because it has failed. Replace it with another pressure limiting valve. And install a line strainer unless there is already 1 upstream. Also those old RMC valves often cause poor water pressure / flow issues.

I normally install Apex valves as replacements - NZ made. http://apexvalves.co.nz/pressure/pressure-limiting-valve/





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