Recent content by 450plus

Just in case anyone else has a similar problem, for completeness it was the boiler pump overrun thermostat. The part was obsolete but I got hold of one which could be easily adapted. Thanks very much for the help I was given Martyn

Thanks very much for your clear and concise help - just going to administer a good kick to my own backside for not doing that already. The pump is connected directly to the boiler but I hadn't checked as I had read so many posts saying it was fed from either the valve or the tank stat. The...

oops dupe post removed

I agree entirely, I was hoping someone might be able to give me a clue where to look. The wiring for the system hasn't been changed and with the actuator head and tank stat changed I thought that had it covered. I changed the pcb because I happened to have a known good one lying around and I...

Yes another one I'm afraid. I had what I thought was one problem but now appears to have been two all along. I had a mv which wasn't working that well and a pump which was running all of the time. I have changed the actuator head and the mv now spins over and responds to the programmer...