Can a trv be fitted to a towel rail

A TRV can be fitted to any radiator, however it is normal practice that 1 radiator on the system (usually in the bathroom) has 2 manual valves instead of a TRV and a manual valve. This is so that if the TRV's on the other radiators were to fail to open or when the boiler reaches the set temperature and the pump kicks in the water can still circulate around 1 radiator preventing the pump from being damaged. Also in rooms that are often humid such as a bathroom or showroom, manual valves may be a better option to consider as humidity can provide TRV’s with false readings.
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