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THRUSH NO 15E ?? Label partially missing

BarthBoiler
BarthBoiler Member Posts: 24
edited October 9 in THE MAIN WALL

How does this work? Mainly my question is there is no isolation going to this tank , Supply is feed directly into it on one side and feeds 3 other lines coming out of the opposite side.. I'm replacing the boiler and keeping the system as is because they have no issues with the system ( fintube upstairs and radiant in the lower level) any advice would be great, thank you

thrush.jpg

Comments

  • mattmia2
    mattmia2 Member Posts: 14,320

    It is just a conventional compression tank. Do you have some better pictures of the piping to it? You have to design the new system to encourage any air bubbles to migrate in to the tank.

    BarthBoiler
  • BarthBoiler
    BarthBoiler Member Posts: 24

    I wasn't planning on changing anything but the boiler. Like how so? i was going to just power purge with city pressure. There's a return bleeder hose bib by the boiler. They had to have bleed the air somehow with the current design

  • BarthBoiler
    BarthBoiler Member Posts: 24

    @mattmia2 Also conventional to me is 1 pipe in lol

  • hot_rod
    hot_rod Member Posts: 25,762

    here is the B&G system

    Using their boiler and tank fittings

    IMG_1139.jpeg
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
    BarthBoiler
  • BarthBoiler
    BarthBoiler Member Posts: 24
    edited October 7

    @mattmia2 @hot_rod I will have photos of the Thrush this evening and post them

  • mattmia2
    mattmia2 Member Posts: 14,320

    I remember seeing a tank on here a while ago where the system water flowed through it. I don't remember the details but the way it was plumbed made sense.

    BarthBoiler
  • BarthBoiler
    BarthBoiler Member Posts: 24

    @mattmia2 That's Exactly how this one is, Supply from boiler goes into the tank and out of the tank on the opposite side..

  • hot_rod
    hot_rod Member Posts: 25,762

    water doesn’t actually flow through the tank, it accepts the additional volume increases the water is heated

    So water goes in and out with temperature changes. This is possible with a single connection, like the B&G example above

    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream

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