Recent content by flynot

The overheat unit on my Radiation boiler keeps cutting in and off goes the boiler. On resetting the boiler and unit all is ok again for maybe a week or so then off it trips again. The only way I can keep it running is to lower the boiler temp. thermostat. The higher it's set the sooner the...

Thanks for the replies and I can see the differences, the system I have now is open vent. But no one has mentioned which is the better, "Open" or "Sealed" and or why Regards

I wish to change my old Radiation boiler to a new Vaillant System boiler (not a combi) Can someone please explain the difference between the "sealed" and "open vent" systems on offer. And are there any advantages or disadvantages over either . My present system has 7 rads, a combined hot...

Thankyou for the reply, will start investigating prices and installers based on your advice. Much appreciated thankyou. lets hope for another 20 years of trouble free boiler probs. Cheers Peter

It finally looks like the end is near for my 25yr. old Radiation Fuelsaver 15RS. The pilot light is begining to become unreliable and I think I've traced the problem to the "overheat thermostat". Can anyone recommend a "condenser" boiler make as a suitable replacement. Having seen and...