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I have not even viewed the property yet, assuming I even get it. It's a 3 bed, semi detached, one bathroom + downstairs WC house in the north west. I have a Vaillant 937 storage combi boiler atm, which is fine for the most part; but like all combi's, it becomes an issue when it breaks down on...

Now why would you drill directly above a light switch!?, in it's vertical safe zone.

Was just looking at a 3 bed semi detached house that has no central heating what's so ever and was wondering what would be better for a new system? Combi boiler or a System Boiler with a unvented HW cylinder?

As far as I know, even combi boilers when heating the hot water to the taps, still use a secondary heat exchanger for the hot water to the taps. In other words, the hot water being drawn from the taps does not pass through the primary heat exchanger above the gas burner, which is shared with...

Hi all. Does anyone know if there are any combi boiler that can heat both the hot water and the radiators at the same time? I know most don't, but was wondering if there was any exceptions? I can't see why this would not be physically possible as you could have a diverter valve in the boiler...

Thanks for that link, trying to get and wrap my head around how feasible it would be to renovate a Dorlonco based property like shown below as this type of constructions is a new thing to me? Got lots of questions like: 1) Can you drill holes to run new pipes/wires through the house whilst...

Hi, some I know is looking at a house in Liverpool what is of non standard construction and according to them is made out of I Doncello Concrete Blocks. Trouble is, I can't find a thing online about Doncello Concrete Blocks? Maybe they heard wrong when they spoke to the estate agents, but...

I was more thinking of the space in between the joists where the cable was in free air than the bit through joists. My flawed, stupid and bizarre logic was that like how water conducts heat 5 x greater than air, if one side of a T&E cable was always in contact with the wood joist, that would...

So I know the Pyronix Enforcer v11 panel supports a number of wired expansion devices such as wired keypads and the Euro ZEM8/ZEM8+ input expanders using the RS485 protocol. My question is how much electrical current can the Enforcer V11 handle? Is it 500mA as given by the fuse or less than...

I guess what I'm getting at here, does a cable have less effective cooling when in free air such as when run through joists than when clipped directly to a wood joist in open air for example? i.e. Would the direct contact with the wood have greater thermal conductivity/desperation into the...

Say you had a cable running horizontally through floor joists without any thermal insulation (assuming horizontal cable support requirements were met), how is one supposed to know how much to de-rate the cable by and what the de-rated current carrying capacity is for a given conductor size...

You saying there is no need for things to improve over the decades? You can hardly argue against that adding a CPC to lighting circuits (14th edition) or protecting nearly all sockets with a 30ma RCD (16th edition) for example was a good thing surely?

As I understand it, at the time of writing this (01/04/2025), AFDD's are not mandatory under the current BS7671 18th edition Amendment 3 in most typical domestic settings, however is it worth fitting them if a old place was getting re-wired, say a 3 bed semi detached house? (Yes I know it's the...

Waste plumbing is not my expertise by any stretch, so I don't know how feasible it is, but in the photo below, could the toilet be relocated to the main bathroom? I would imagine the main factor would be which way the joists run, but not sure how I would determine that? Regards: Elliott.

Of course I am grateful for and appreciate the help that those on this forum provide, just my life does not resolve around this forum and that I have a busy life. I hardly call not replying on here until yesterday a lack of manners. Not like I was having a go at or arguing with anyone on here...

Update on this, the Sky HD box has now magically fixed it's self! Went back a week later to install a new Wi-Fi system at their place, and when I connected the Sky HD box to the new Wi-Fi, I noticed that satellite signal on both feeds had returned and was good. They said they had not done...

Hi all, someone who I know has a old Sky HD box which they candled their Sky subscription a couple of years ago and have been using it to watch free channels ever since. A couple of months ago (when we had the bad weather in the UK) according to them it stopped working. I went over to theirs...

That may be it as I have never known smoke alarms to beep only when the mains power is off.

So why in new builds, are they often put on their own circuit and it's recommended to do it this way?