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  1. #1
    Join Date
    Jan 2013

    desuperheater setup question

    I'm currently using a Tranquility 27 with a two tank water heating system. I've got it set up as per page 16 of this manual. My question is about shutoff valve #4 in the two tank system. According to the instructions, shutoff valve #4 should remain open during operation. Can this be right? Wouldn't this setup prevent some incoming cold water from going through the heat pump?

  2. #2
    Join Date
    Nov 2004
    kamloops bc
    Having valve 4 closed will prevent the desuperheat pump from drawing from the tank and only from the domestic cold line which is a closed line ,not a loop. It needs to draw water out of the tank in order to reheat it. Having it closed will burn out the pump over time. The manual is correct.
    We are all here to learn!

  3. #3
    Join Date
    Jan 2013
    I get it now. Thank you for the answer.

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