Recent content by surf_doc

Thanks Meldrewsmate, I appreciate the response and that is very helpful. I didn't realize that I actually have two zone valves in my CH topology, and I wonder now whether it is the second (made by Danfoss) which is the problem. The Honeywell zone valve located above the pipework and it seems to...

Hi there, Just a brief update. I've been monitoring my boiler/CH system over the last few days, and in particular listening to the zone valve. The system started working perfectly again about 3 days ago, with the boiler returning to '0' shortly after the programmer finishes its cycle. And...

Thanks. I'm going to give the area a general clean as it is full of dust. I've noticed that there is a lever on the back of the valve housing - I presume that this isn't a manual override but something else? And I should leave it be?

Thanks Ian - presumably there is no way to fix it through maintenance ... it's just a simple case of replacing it?

Hi, Thanks for the reply snb. The central heating thermostat is made by Danfoss. I couldn't see any red light. From a quick Google image search, the part appears to be as follows: RET230P It is located in our hall, which is just outside of the kitchen where the programmer and boiler live. I...

Hi there, many thanks for the response - appreciate it. I was able to identify a Honeywell Stop Valve, part number 272848. There was also a part made by a company called Danfoss, but I couldn't find a part number on that.

Hi, I have an Ideal ICOS HE15 boiler which has been regularly serviced and worked fine for around 7 years. It still works fine its function as a water heater, however the central heating system as a whole has recently developed an odd quirk, namely that the boiler still continues to burn gas...