I have a TRV that I need to shut off so I can remove the rad and then get the system running after it has been shut off. The lowest setting is a frost setting which means that although I can remove the rad, when I try to pressure the system back up water comes out of the TRV. I guess this is because at the frost setting the TRV is not fully shut off, so how do I shut the valve fully off? :?:
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