Recent content by moonstaruk

Yes it does in the main control unit 5 amp. Someone suggested it could be a faulty valve actuator that’s caused it though? Should I change fuse first then see if it works

Hi there, have a polypipe 3 zone underfloor heating system. Just went to start it up for the winter as we switch it off for a few months and it’s not working. After some investigation, there is the mains power supply going into the master control unit (which is live) (yellow circle) but the...