Decided to run my central heating just to make sure the TRV's were still functioning okay. That evening found out 4 TRV's had been loose and were free to move around. No one was in the house except me. What could have cause this? These were fitted around 3 months ago and were tight when fitted.
Drayton TRV's
- Thread starter Bigily87
- Start date
DIYnot Local
Staff member
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