Hello, I am hoping someone is able to help with my UFH problem. I have a really simple system, just the kitchen has UFH so no complex manifold. This pic shows the control. There was a danfoss trv attached which seemed faulty so I removed it. I assumed this would leave it permanently on, as long as the central heating was on. It seemed to work for a while but now it's not heating up at all. The pin is out. Both the pipes in this pic are cold. Does anyone have any ideas what might be going on? Thanks in advance.
trv failed, is not abt external head that you have removed but abt the guts inside of the body, you need to replace inner cartridge, it might be clogged, sometimes power flush can sort it out, in this case you will be left lighter for around £350 - depend where you live
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