Circulation Pump Install


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Old 12-19-13, 02:45 PM
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Circulation Pump Install

Was thinking of installing a Watts re-circulation pump on my WH. I have CPVC plumbing on this tank and I think it would be a rather easy job?? I will put one maybe two sensors at the distant end. (Open system, no return line). Left hand side of the pic is the Hot out. IF the pump ever fails, is it worth it to put a bypass with valve around the pump just in case?
 
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Old 12-22-13, 08:43 AM
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I would contact the manufacturer of the tank.
 
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Old 12-22-13, 10:44 AM
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I will put one maybe two sensors at the distant end.
You mean the thermostatic valves that come with the pump that you install under the farthest sink?


IF the pump ever fails, is it worth it to put a bypass with valve around the pump just in case?
No need to... If the pump fails water would flow like normal as if the pump was not there...



http://media.wattswater.com/PF-IHWRS.pdf
 
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Old 12-30-13, 02:14 PM
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Yes the thermostatic valve under the sink. My garage (wh) is about in the middle between two furthermost sinks, opposite directions.

I understand the need to shut off the cold water to the WH. Turn off the NG to the WH. I also understand I need to open a hot water faucet and drain the system, but I am not sure why the instructions say that I need to drain the whole tank. As long as I am working above the tank and its connections are CPVC, not quite getting that part.
 

Last edited by Mike1555; 12-30-13 at 02:51 PM.
 

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