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Old 10-18-2007, 11:00 AM   #1
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temperature/pressure relief valve


My temperaute/ pressure relief valve comes out at a 45* angle. How do I get it vertical?

Do I use pipe thread compound or teflon tape on the thread of the relief valve?


Last edited by jerry1967; 10-18-2007 at 06:44 PM.
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Old 10-18-2007, 12:06 PM   #2
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T&P valves are set for 90 on the top of the heater pointing to the side or at the top on the side pointing straight down.
How did you get one at 45? The only way that that could happen that I can think of is that something hit it in transport and cocked the T&P valve and the female threaded connection (welded to the tank) that it is tightened into.
If that's the case, you might need to exchange the heater if you can, or make up the 45 to a 90 with 3/4" brass or copper drain fittings coming from the T&P valve.
The only valve with a 45 on a heater is the drain valve at the bottom of the heater.
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Old 10-18-2007, 05:31 PM   #3
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I think what he meant was the T&P valve is over turned or under turned so that
it is not pointing straight down.

I bought a new heater and had the same problem. I just turned it a bit to make
it pointing straight down.

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Originally Posted by Mike Swearingen View Post
T&P valves are set for 90 on the top of the heater pointing to the side or at the top on the side pointing straight down.
How did you get one at 45? The only way that that could happen that I can think of is that something hit it in transport and cocked the T&P valve and the female threaded connection (welded to the tank) that it is tightened into.
If that's the case, you might need to exchange the heater if you can, or make up the 45 to a 90 with 3/4" brass or copper drain fittings coming from the T&P valve.
The only valve with a 45 on a heater is the drain valve at the bottom of the heater.
Mike
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Old 10-18-2007, 06:35 PM   #4
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temperature/pressure relief valve


Quote:
Originally Posted by sz8 View Post
I think what he meant was the T&P valve is over turned or under turned so that
it is not pointing straight down.

I bought a new heater and had the same problem. I just turned it a bit to make
it pointing straight down.
you are right it is over turned.If I turn it back I get a water leak, so I have to keep it where it is but it is at 45*. I quess I will put a 90* on it so it will at least point toward a wall in case it should be activated.
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Old 10-18-2007, 07:40 PM   #5
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temperature/pressure relief valve


Can you just make it up another 3/4 turn? At the very least a 1/4 turn to have it sideways?
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Old 10-18-2007, 11:33 PM   #6
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You can unscrew the valve completely, reapply teflon tape, and then screw it back on, getting it straight down this time.

Or, you can do this: you need to attach a pipe to this valve, end of which should be about 6" from floor. You can put a 45 elbow in that pipe after a short section so most of the pipe ends up vertical.
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Old 10-19-2007, 09:42 AM   #7
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I am bit suprised that it would leak if turning back only 45 degree. In my case,
it was over turned by 5 degree and I simply loosed it by that amount. No leaks.

Believe it or not, when I adjusted it, it is quite loose (not as tight as I thought). I
assume it would be also ok to tighten it by one turn.

Did you try to tighten it? It is not big deal since if you can not tighten it, you can
always take it out and put tape + dope and redo it. I feel it is quite easy to get
good seal with tape + dope as some ones suggested in this forum. I've done around
6-7 thread with that way and non of them leaks.

Good luck.


Quote:
Originally Posted by jerry1967 View Post
you are right it is over turned.If I turn it back I get a water leak, so I have to keep it where it is but it is at 45*. I quess I will put a 90* on it so it will at least point toward a wall in case it should be activated.
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Old 10-19-2007, 11:19 AM   #8
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temperature/pressure relief valve


I agree with removing and retaping the T&P valve to tighten it up pointing straight down as the simplest solution. I misunderstood your first post.
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Old 10-19-2007, 04:03 PM   #9
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thank you everybody- I will try and retape it.
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Old 10-20-2007, 04:27 PM   #10
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Tape, not pipe dope.

I don't know about OTHER states, but oregon does not recognize pipe dope/thread compound as a thread sealant. (some do use it in certain service situations, but an inspector will not let that fly here).
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Old 10-22-2007, 07:34 AM   #11
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Some states, it's the reverse. I tend to use both on gas pipes (dope on top of tape), but for water, just the heavy tape.

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