Recent content by jpmc

Thanks for replying Terrywookfit. I have turned the stats up and down manually which did not blow the fuse. I cannot find a s/c and if there was a s/c I would expect the fuse to blow immediately. Fuse blowing after an hour causes me to think of an overload rather than a short. I am back to take...

Hi I have run out of ideas so hope that someone here might have come across this problem before. Basically I have fitted a new valve on the heating side and now the system runs fine for about an hour and then blows the fuse in the spur. I cannot find any problem in the wiring. The valve base was...