have just replaced 5 Westherm TRV's with Drayton TRV4's, straight one for one swap. 1st rad gets hot....other 4 don't.
All other rads in house work ok. Thoroughly bled system.... Don't know what to try now...
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local