The radiators in my new house have trv's on them. These valves have white caps on the top of the control knobs. However one has this cap missing and is showing 4 small holes in the top. What are the caps for? Do I need to source a replacement for the missing cap?
TRV question
- Thread starter stevie-c
- Start date
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the caps are the tempreture sensors if the rad is working ok you dont really need to replace it just looks better
what make are they ?
what make are they ?
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