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Tx for the replies. The reason for 50mm is that I think it will be an improvement over no insulation at all, given that seating will be near this wall with a CH radiator and it will look reasonably acceptable with the pre-existing victorian coving as long as I taper it back near the top...

Hi My end terrace's front room has a 5m x 3m solid brick 9" side wall which I'd like to insulate via IWI (likely 50mm PIR). EWI not possible due to conservation area. Exact method TBD as I'm still trying to digest the Gov.uk IWI Guidance, lots of threads and all sorts of scary stuff about...

Yes WB are sending an engineer out next week. Tx for your experiences - I just wanted to get an idea of EC reliability before they started making "workaround" suggestions. Do you know what they did to "clear" the problem exactly? The app is rated 1.9/5 at...

Hi My mother has had an EasyControl smart wireless thermostat with a Greenstar 4000 boiler installed for a few months now. However in the last couple of days the EasyControl (CT200 I think) has twice lost connection (error A84-1876) and then the heating went off with no apparent way to...

Gas Safe were very helpful and confirmed that this was nothing to do with Gas Safe regs. They also supplied me with Tech Bulletin 091 "Decommision part of a gas appliance" which Baxi advised me needed to be followed confirming that it is possible to retain a back boiler gas fire whilst...

I think I've researched the pros and cons so am not blindly going for a combi. The current controls are an ancient timer Sangamo 410 F4 with no thermostat (room or HW) with gravity HW and pumped CH. Even if I can't persuade my mother for a new boiler (one part depends on how compelling the gas...

The reason for leaning towards a combi is: - current HW flow rate from cylinder is poor with the bathroom being only down from the cold cistern in the loft - useful to have the bathroom tap serving up mains rather than pigeon water from a cistern - cylinder taking up lots of space that could be...

Hmm, an online boiler supplier that I just got some quick quotes from has told me that fitting a boiler to stainless steel (heating) pipework is against Gas Safe regs, and that it must all be replaced by copper. I'm struggling to understand this as I can't find any ref to mandating copper vs...

I found some tiny text on one of the larger pipes BS 4127 which appears to make it stainless steel. And the magnet failure test help confirm that. Phew! Presume then it's safe to go combi if we decide that route?

Forgot to attach the rad pics, in case it makes any difference. Several are the older type, a couple have been replaced by the newer sort with the rounded top.

Tx for the info. I tried a magnet on a pipe under the stairs and it did not stick. (My first attempt stuck but I realised it was the mop handle - doh!) The installer did mention passivated steel, so it may have been me that added the stainless part. I'll put the blunt down next time! Any other...

Hi My elderly mother's 60's house has a 27YO back boiler plus stainless pipes throughout (presumably s/s as they are quite shiny) but we are considering a combi (been through all the options and a combi makes most sense so far) and an installer has warned of the possibility of the pipework not...

The S&P Silent ones are decent quality and quiet. From experience I'd go for the intelligent timer ones in a bathroom which leave the fan running on for the period the light is switched on for rather than a humidistat. The latter ones have failed due to being clogged with dust or just being more...

Hi I'm casting some concrete steps with a C30 mix in a timber former, but have found after two attempts that air bubbles are persisting on the step surface i.e the bottom of the former. This is despite lots of tamping down and using a wetter mix on the second attempt. I was thinking about doing...

Tx all - so it looks like I need a separate RCD for outside use until I get the CU replaced.

Hi Can someone identify which features my CU has and is missing? I think it was installed in early 2000s. The background is that I'm looking to add some outdoor lighting (250v) and so was wondering if I need a RCD on the external socket (that I thought could add to a spur off an existing...

Anyway! Luckily the oval twin flex is on another set of lower-rated lights, and the ones I'm extending are pretty much round cable so the connectors & heatshrink caps should be fine. I think I found the Chinese supplier where these LED strings are getting their connectors from - shame the...

Thanks all for the info. I don't quite follow how the junction boxes add any value over my connectors (like https://www.tlc-direct.co.uk/Products/WPQC1.html) since don't they all have the same gland type fittings i.e. a compression screw cap over a foam/rubber insert with a cable hole? The cable...

Hi I've got some festoon 240v LED string lights like this https://www.amazon.co.uk/Outdoor-OxyLED-Waterproof-Christmas-WarmWhite/dp/B0829L5VBG/ and I'm wanting to rejig the cabling to run two in parallel and then an extension to a second set of lights. It appears that extension cables for...

Hi Are there any rules of thumb regarding tile sizes and layouts for enclosures of different dimensions? I've got a 800 wide x 900 deep 3 sided enclosure in an ensuite and I'd like to use a large plain white tile to minimise grout lines, but I'm struggling with how to judge which layout will...