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need help with this radiator

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David Moseley
David Moseley Member Posts: 7
in THE MAIN WALL
attached are 2 pictures of a radiator. This a hot water system in an apartment house. There is what appears to be a thermostatic radiator valve, but it looks like a valve for a 1-pipe steam radiator. Supply and return pipes connnect at bottom of radiator. The ell on the right has a fitting that looks like something broke off. Not sure what this is. The tenant complaint is the radiator is overheating. Thermostat in another area of the house. Can anyone help?

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  • RobG
    RobG Member Posts: 1,850
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    You are correct! That is a Danfoss one pipe steam TRV. Replace it with a coin vent and a proper TRV and a new valve.
  • icesailor
    icesailor Member Posts: 7,265
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    That TRV and steam vent are usually used on a single pipe steam radiator. Not on a forced hot water radiator.

    Someone must have been reading on the Internets or watching Youse Tubes videos.

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