Can I install thermostatic radiator valves in a gravity system?

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bb_11
bb_11 Posts: 39
in THE MAIN WALL
goes to 1 1/4" TRV.

However, you may not need to size the valve to the pipe diameter, but the load on the radiator.

bb

Comments

  • Brian Parmenter
    Brian Parmenter Posts: 1
    thermostatic radiator valves

    Can I install these in the supply lines to my radiators if I have a gravity system with an expansion tank...(open system) or do these thermostats require a closed systme with circulation pump?
    Thank you..
    -confused in Quincy MA
  • Alan(OnVacationInOregon)Forbes
    Alan(OnVacationInOregon)Forbes Posts: 232
    Why not?

    The only problem you may have is finding a TRV larger than 1".
  • an old wrench puller
    an old wrench puller Posts: 73
    Yes you can

    Done it many times. Makes a real nice system.
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