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That's the problem, it won't be an obvious leak if it's taking 2 weeks for the rad to fill with air. Did you have a sealed system before the combi? Or was it a traditional open-vented system with a small cistern in the loft?? My thinking behind that is that it could be a problem on an...

It sounds like there is definitely air getting into your system. The fact it takes 2 weeks to result in a cold radiator will make it even harder to find as it's likely to be very small. Did they change any of your radiator valves when they put your new boiler in as this would be my first...

Yeah the house opens straight onto the pavement, which makes it even worse as when folk walk past, it feels like they could just walk through the front door if it was unlocked. That sketch is pretty much the whole Ground Floor. At the bottom left of the Lounge is a doorway which leads to the...

Hi guys, We're currently contemplating a revamp of our Lounge & Dining Room for both aesthetics and practical reasons. Our house is 2 terraced houses, joined together (done before we moved in) and we currently use one of the former front lounges as a lounge and the other as a dining room...

Hello! We have an archway which is in the dividing wall between our lounge and dining room. I'm carrying out some repairs to cracks in the wall this weekend and wondered is there is anything I can do with the arch. Currently the arch is just lined with some 3mm plywood and the edge has...

Sorry superspringer, I edited my post after you'd posted your reply. Can you sketch the system out in schematic format showing where all the pipes go in/out of the cylinder and to the taps and where all valves are etc... This will help gain an understanding of how it all works and also...

As Tony says, you have to have a clear understanding of how the system works before attempting to fault find & problem solve. The first thing to do is sketch the system out as a schematic, labelling where valves are etc... While photos are good, we can't see where everything goes!

I've always thought that you might as well get the trvs fitted while your system is empty. Not a specific requirement as far as I know though.

Part of me envies you, the other really doesn't!! I wish you all the best with that - it will be stunning once completed (I just luurve the high-ceilings you guys get up there!). Just remember to plan everything with as much detail as you can. Watching "The Money Pit" is probably not a...

:shock: Like you said with things like this, I would be wary of using a builder's subbies. The subbies are usually OK, but get screwed down on price so much they have to put in a system that might not be 100% suitable for the client. If you've got even a tad of organisational ability...

Sorry to be vague, but it depends on the heat loss for the area and mainly the ventilation losses. If it's a really draughty spot you could need something like a 1kW panel heater. If it's not too bad a 500W will do the job. Dimplex do some decent ones that I use on electric heating...

:lol: I meant read as in advising the OP to go and read marsaday's post in the DIY Disasters section not that I'd read a post and thought it was the OP!

It would definitely increase the overall cost, but as said you will end up with a system much more suitable to the needs of your property

Eh? You've lost me there!

Be very careful with the Loft Conversion company. I don't want to pre-judge them, but read through the guy's post in the DIY disasters section of the forum and you'll appreciate where I'm coming from. I would strongly recommend NOT getting a combi for a property with any more than 1 bath. I...

You'd have to chase a cable down there if you want to put a permanent fixed electric heater down there.

Hmm, I'm not an expert on those boilers or that programmer, but I would think you're fighting a lost cause. You are correct in assuming that the boier DHW circuit will shut down when the cylinder stat is satisfied. It also sounds if whoever installed was thinking about it as if the towel...

Are you sure it's fully pumped heating & DHW and not pumped heating with gravity DHW? My old system had a similar controller and was set up this way. As Geegas says, it's all about what happens between your boiler, pump and cylinder rather than the individual pipe runs through your house.

In principle, the set up should work (despite the fact it would have been more straight forward to pipe all 3 rads in parallel from a balancing point of view) as it's in effect a mini 1-pipe system. Is it the 1st or the last rad in the run that's getting hot? You say the bay rads are the...

One of these You can also get electric ones to save messing about with the existing central heating pipes. They give a pretty decent output