If your thermostatic radiator valve isn't working properly and your radiator won't get hot, the pin inside the valve may have got stuck in the down/off position. This means it won't be letting hot water into your radiator.
Fortunately, this is an easy fix as all you need to do is loosen the pin, which you will find underneath the twistable valve cap.
James the professional plumber shows you exactly how to solve this common TRV problem and get your radiator hot again in less than 5 minutes.
➜ How to repair a thermostatic radiator valve:
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➜ How to replace a thermostatic radiator valve:
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➜ The Complete Guide to Bleeding a Radiator:
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