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The most efficient way to heat your home is to only heat when you need it, and as much as you need it. If you program your stat to keep your home warm when you're not there, you're wasting money. As you say, the Honeywell CM927 comes with an optimisation setting which will calculate the best...

Remove the lockshield cover or valve cover and tighten up the olive. A few of mine used to weep when the system was cold, and this sorted it.

Wow, that is cheap considering it's price elsewhere. Didn't spot that one. I think I may stretch my original budget and go for one of those. Cheers for that 8)

Try closing all other rads down completely with the CH on to force water into it and hopefully shift the air bubble to the top of the rad.

Ok, had a good look around and found a couple I'm interested in. I've had a look at the Salus RT500RF, namely because of its relatively low price tag and it seems to do most things that I need. However, I noticed that some do not actually switch the boiler on and off like a regular...

I've noticed Screwfix don't sell a huge range of them. Where do you guy's buy them online?

In an attempt to make my current heating system more efficient (combi boiler with just temperature control on the unit) I would like to install a wireless setback thermostat control system. I need it to be a digital timed thermostat which incorporates a 7 day programmer for heating the house...

Yeah, well that's the thing - I'm not a boiler engineer but I understand how most things go together, and it certainly is very obvious if the case doesn't seat properly when you're sliding it on. It seems like many 'engineers' lack that basic skill or they just take a lazy "it'll do"...

I've just had a look at it now and you're absolutely right. The cover for the combustion chamber was incorrectly put back. The clips at the rear weren't seated properly and it was drawing in air from the room through the tiny gaps - hence the whirring / rushing air sound. I can see why he has...

I'm not sure. I'll have a look and see if it's on tight etc. Could it just be loose and vibrating?

Hi there. I've just had my Icon 23T boiler serviced and diaphragm replaced. After the engineer had finished the work, the sound emitted from the extractor fan is very different. It used to be almost silent but now it makes a whirring sound as though it is spinning much quicker. The noise...

Some good advice there, cheers. I won't be able to fit a wired thermostat, so I will be going for a wireless RF one. Are these systems universal and easy enough to wire up to any boiler, or do I need to check my boiler is capable of having a thermostatic control? Also, my lounge is often...

If it's a combi boiler, mine used to do the same. It was the diaphragm about to fail.

Cheers for your reply rob. Once you've kitted out your house with thermostats, is the boiler best left at full power so it can heat the room up to temperature in a shorter period of time and therefore spending more time switched off?

Hi everyone. I've had a good search on the forum about TRVs and found some very useful information, but I have a couple of questions. My current system is a 24kW combination boiler running 8 radiators. The only temperature control I have in the whole house is the one located on the boiler...

I'd be getting my keys back before anything if I was you. Leave a message on his answer phone saying that if they are not returned in the next 2 days, the police will be involved.

I had a search around and managed to find the Part number for the diaphragm. Should cost around £24. Apparently, to change the diverter valve is pretty tricky with this boiler, but the diaphragm is fairly straight forward. Is this worth attempting myself or just get a pro in and pay 1/2...

Good stuff. Sounds like it could be an inexpensive fix hopefully. I would consider myself as pretty hands on with anything mechanical, but boilers I have honestly never played with. Could this get expensive if I was to call in someone?

Hi everyone! I've got an IconT 23T wall mounted combination boiler (rebadged Glow Worm I think) that was fitted to my property when I moved in. I believe it is about 2 years old. The only thing I have modified on the system is relocate 2 radiators and remove one from the kitchen. Whilst...