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Inverted TRV

tobrien02382
tobrien02382 Member Posts: 17
in THE MAIN WALL
Hi All, I'm looking for an inverted TRV for a steam radiator with tight space. So the TRV would be 1/8" at the air vent. I know I will probably have to buy parts separately but I'm only finding straight TRV bodies.
Tricia

Comments

  • Steamhead
    Steamhead Member Posts: 17,492
    @tobrien02382 , can you post a pic of where you want this TRV to go?
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • tobrien02382
    tobrien02382 Member Posts: 17
    edited January 2024
    Now I realize I should be moving the air vent and/or TRV to the other side. But I don't know how to plug the hole or thread and drill the other side. Thank you for looking at it!


    Tricia
  • pecmsg
    pecmsg Member Posts: 5,519
    Is there room to move that radiator to the right?
  • tobrien02382
    tobrien02382 Member Posts: 17
    No unfortunately but now that I look at this space closer I bet that is what ended this radiator up with this problem because someone flipped it over that way and didn't change the vent.
    Tricia
  • ChrisJ
    ChrisJ Member Posts: 16,360
    The vent can't be on the same side as the pipe.

    What's with the bubble wrap?

    Single pipe 392sqft system with an EG-40 rated for 325sqft and it's silent and balanced at all times.

    pecmsg
  • pecmsg
    pecmsg Member Posts: 5,519
    Popping bubble wrap - Imgflip

    ChrisJ
  • tobrien02382
    tobrien02382 Member Posts: 17
    edited January 2024
    Oh yes I know. The house was built in 1900 and that’s an outside wall. We need more insulation. 
    Tricia
  • Steamhead
    Steamhead Member Posts: 17,492
    ChrisJ said:

    The vent can't be on the same side as the pipe......

    Correct. If you move the vent to the side the steam pipe is on, the radiator won't heat properly. Steam will rise from the pipe and go right to the vent, closing it, and the rest of the rad will stay cold.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    bburd
  • tobrien02382
    tobrien02382 Member Posts: 17
    Ok. Thank you guys for your time. If anyone happens by a setup that might work I have 3" over there. Happy 2024
    Tricia
  • pecmsg
    pecmsg Member Posts: 5,519
    edited January 2024
    It might not look good but a
    street ell pointing up.
    A length of pipe up to the top of the rad.
    your vent on top.
    Secure the pipe or vent to prevent someone from moving it.
  • PC7060
    PC7060 Member Posts: 1,521
    pecmsg said:
    It might not look good but a street ell pointing up. A length of pipe up to the top of the rad. your vent on top. Secure the pipe or vent to prevent someone from moving it.
    Agree with @pecmsg. You could use brass fitting to improve look. 

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