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  1. #1
    Join Date
    Sep 2012
    Location
    thomaston, ct
    Posts
    293

    MPO w/indirect tied into wood boiler and 2 copper radiant loops

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  2. #2
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    Looks nice, why don't you put a ball valve and a drain after exp tank for when it goes bad you don't have to drain the whole system to Change it?

  3. #3
    Join Date
    Sep 2012
    Location
    thomaston, ct
    Posts
    293
    With flow checks and isolation flanges normally I would disagree. In this boilers case I would say good idea since what is involved in purging the radiant zones. Didn't design the piping on this job though. On a normal system I never have any issues just dropping the pressure and isolating the supply to do an expansion tank.

  4. #4
    Join Date
    May 2012
    Location
    Upper Michigan
    Posts
    3,588
    You can't verify pressure in exp tank without isolating it either. I'm not trying to sound like a old nag lol but it makes life easy.

  5. #5
    Join Date
    Sep 2012
    Location
    thomaston, ct
    Posts
    293
    Yeah I guess that is one good bonus.

  6. #6
    Join Date
    Jul 2008
    Location
    Rochester NY
    Posts
    4,728
    Tidy
    Which makes more sense to you?
    CONSERVATION - turning your thermostat back and being uncomfortable. Maybe saving 5-10%
    ENERGY EFFICIENCY - leaving your thermostat where everyone is comfortable. Saving 30-70%

    DO THE NUMBERS! Step on a HOMESCALE.
    What is comfort? Well, it AIN'T just TEMPERATURE!

    Energy Obese? An audit is the next step - go to BPI.org, or RESNET, and find an auditor near you.

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