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What is this?

mrgreen127386
mrgreen127386 Member Posts: 2
in Oil Heating
I need to repair leaks in the copper fittings on this system. Should I remove this? Why did they plumb it like this?

Comments

  • mrgreen127386
    mrgreen127386 Member Posts: 2
    They've connected the supply and return. It must be making the circ pump work much harder than it should.
  • Steamhead
    Steamhead Member Posts: 17,387
    Maybe an attempt at primary-secondary pumping?
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
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    SuperTech
  • Intplm.
    Intplm. Member Posts: 2,197
    That looks like somebody made a mistake? Or, they forgot to install a valve between the branches of the two tees?
  • EBEBRATT-Ed
    EBEBRATT-Ed Member Posts: 16,485
    Is that off a boiler system and are their multiple circulators on this system?

    I suspect 1 circulator at the boiler and 1 downstream of those tees.

    Is this a Weil Mclain Ultra??

    If so you probably need to leave those tees although I am not crazy about that set up

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