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Old 07-16-2013, 06:30 PM   #16
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Originally Posted by lk00331 View Post
Yeah, I will post some pics when I get home. Unless the backflow preventer was inside the dielectric nipple then no i did not install one, which I cant imagine is too difficult of a task. I didnt install an expansion tank either. Some swear by them and others say they are not necessary so I was on the fence and needed to get this installed as going down to light the pilot light every 30 min so we had warm water was becoming quite irritating. If an expansion tank is necessary, I will add one as well. I'll get some pics up around 6.
Roger that 00331, not saying you need any of them just wanted to know if any were installed. Will look at your pics later. When you get a chance, open a hot water fixture then feel the supply line and see if it cools down. If there is no expansion tank or backflow preventer installed, then it's probably just thermo expansion your feeling as your hwh heats up. It has to go somewhere. Thanks.


Last edited by jmon; 07-16-2013 at 06:58 PM.
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Old 07-16-2013, 07:07 PM   #17
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So here are a couple of pics. Feel free to let me know if any improvements/changes need to be made. I have no problem cutting any of it out and redoing it.

Side note: When I felt the cold line when I went down to take the pictures it felt cold. Im not sure what to make of it all.
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Old 07-16-2013, 07:24 PM   #18
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Without getting nit picking- there is nothing wrong with your install.

An expansion tank is not needed unless you have a check vale of some sort on the CW service. It could be in your meter, a PRV or check assembly, etc.


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