Martin Pentreath wrote:
Also bear in mind that now that you have the rad off the risk of the
TRV peeing forth water is unrelated to whether you use the heating or
not, which was the original question. In fact using the heating is more
likely to keep the temperature of the room above the point where the
TRV will start to open.


You could always try and find some end caps that will fit the thread on
the tail adding extra protection. Does anyone know what thread they
are? Could be worth getting a couple in for that very reason.