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I've just found this in the installation manual. There's a long thread on it here: https://www.diynot.com/diy/threads/what-exactly-is-chrono-proportional.35622/ It could certainly explain the behaviour I've been seeing. I've never come across or even heard of this function before which may be...

The room thermostat is hard wired and is just a little sensor on the wall in the lounge. Setting the target temperature etc all happens at the controller, which is in the kitchen under the boiler. Pics below.

I'd ruled out the room stat because if the room stat were faulty I'd expect to see the figure for actual temperature change on the display, whereas it stays constant at the same value as target temperature. That's why I suspect the controller rather than the stat.

I have a Danfoss TP9000 heating & hot water controller which is behaving oddly, I'm hoping someone here can tell me whether it's faulty or not. When the heating is set to come on according to the timer, the controller does what it should and activates the boiler. The house warms up to the...

Seems clear that this board was definitely installed later than 2005. Thanks for all the information and confirming my suspicions. There's a bigger picture here. Of course I wouldn't pull out of a house purchase just because of one missing piece of paper, but there are other missing pieces...

Hi, I'm in the process of buying a house at the moment and there's a query over the consumer unit. It's a Wylex NHISS10SL - photo below. The issue is that the seller can't produce a Building Regs compliance certificate for it. He claims that it was installed prior to 1st Jan 2005, in which...

Thanks everyone for the replies. Not wishing to get into the engineer vs. technician debate - the boiler was serviced by a Gas Safe registered person. He didn't find any specific fault but advised that fitting a magnetic filter should prevent the life of the boiler being shortened by build-up...

Hi everyone, We recently had our boiler serviced, and the engineer recommended that we get a magnetic sludge filter fitted (Magnatec or similar). The boiler already has a filter of some kind fitted to the cold water intake - pic attached. I'm not sure what this is, but I have a feeling it's for...

I bought a couple of good quality cables and the situation has improved again, I'm now more or less back to where I was before all this started. I reckon the next job will be to replace the cable between the terrestrial aerial and the outlet - it's quite old, and there's not a lot of braid on...

Hi folks, Thanks for all your suggestions. I went out and got a different outlet plate - there's a bit of a difference between the two, the original one had a capacitor (? - don't know anything about electronics but it's a little round blue thing with "B 471K 2KV" printed on it) soldered...

The cables from the outlet to the receiver are 'known good', I've used them before. As you say, it was working until I touched it and now it isn't, so it's got to be either the connections or the unit. I'll check the connections again - the unit only cost £1.50 so it wouldn't be a big deal to...

Yep, checked it twice. Might the outlet unit itself be faulty?

Hi all, I've got Sky TV and a standard TV aerial. The cables for both of them were originally run straight through a hole in the wall, with the ends coming out in the lounge. The signal on both of them was pretty good. While redecorating recently, I thought I'd tidy the cables up a bit by...

seco, thanks for the tip, that bath eraser worked really well. Required a lot of elbow grease and patience but it got the job done, and also removed a stubborn rust stain on the bath which I'd given up on ages ago! I'll keep the Mr Sheen thing in mind for next time - I find furniture polish...

Thanks! That looks just the job, I'll order one up and see if it works.

Hi everyone, I've just changed the taps and waste plumbing in my bathroom. All gone well, but I've got a minor issue that's a bit annoying and I hope someone knows the solution! Basically I've got a white bathroom suite, and while fitting the new taps (chrome finish) to the basin, due to...