Can a thermostatic valve be added with the current valve and piping

sinkus · December 2022

Jamie Hall · December 2022

Don't see those very often... that is an ingenious arrangement which allows one to run hot water radiators with only one end coupled.

I don't see any good reason why you couldn't cut a thermostatic valve into one of the pipes. What you can't do is replace the existing valve and connections.

EBEBRATT-Ed · December 2022

Agree with Jamie the old valve will have to stay

KC_Jones · December 2022

Some information on that valve.

https://heatinghelp.com/systems-help-center/honeywells-unique-valve/

sinkus · December 2022

Thanks for the information Jamie!

mattmia2 · December 2022

There is a Danfoss valve with a a lance and I think another one from another manufacture that could replace that vale. The thing is the Honewell Unique valve is also a bypass so if you stop flow to that valve, anything else in series will also not heat. If it is separately connected to the mains then you can install a TRV before the unique valve(or in place of), otherwise you need a bypass.

sinkus · December 2022

Thanks Matt, it is fed right off the main.

Mad Dog_2 · December 2022

Never seen that. Where is that job? Mad Dog

sinkus · December 2022

New Jersey

Can a thermostatic valve be added with the current valve and piping

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