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Thanks special locations, that's very helpful. I did disconnect the tank stat & did an IR across the terminals and was ok but am going to investigate that a bit more this morning. Also disconnecting the LR on the boiler showed it was coming from the wiring centre. it only appears to be present...

Thanks Dave, I will give that a go. the system has been working fine for the last 8 years, not sure why it should change now🤷‍♂️

Hi, got an issue with a Y plan system. after the heating has stopped calling for heat I am getting around 30v on the CFH at the boiler - its coming from the orange on the zone valve and also back feeding the white (CH on) with the same voltage. it only does it with the HW off (so 230v down the...

I always use the copy tapes, can’t say I’ve ever had a problem with them

I think you would probably need 17mm heat shrink for the 2.5mm and 11.7mm for the 1.00mm

The incoming gas and water would need to be assessed to determine whether they would need bonding (less than 22k ohms to earth and they will need a 10mm bond). As there is only a 6mm cpc I guess you would have to take the bond back to the incoming and create a MET at that point. I alway find it...

depends on the length of the cable - you would have to do a volt drop calculation to work out the capacity

I must admit that I would sleeve a core at 2 way lighting etc, but have never sleeved control wires in a heating system 🤔

It's a wiring diagram showing how to wire the UFH wiring centre not the boiler - as you say, different boilers have different wiring systems. This just demonstrates the use of a " volts free" system or a 230v system at the boiler. But as you say, can be a tad confusing for anyone not familiar...

as previously said, a personal recommendation is always best, if you can't find one try popping into a local dedicated electrical wholesaler (rather than an allrounder like screwfix etc)- they will be dealing with electricians all day long and should be able to recommend someone reliable and...

if you get a varilight MJP120 dimmer module you will be able to adjust to min & max levels to suit your requirements.

30 min job :unsure: so you think he could do 16 of these jobs in a day including assessing the job, getting parts, travelling, invoicing, vat returns, training, etc etc which all comes into a part of "work" when self employed. I would think he would have to allow 2 hours to do job with...

6mm in a shallow back box!! why do people make life difficult for themselves?

Good helpful video, however, by replacing an RCBO with a MCB & RCD would only be satisfactory if the RCD is bidirectional 🤷‍♂️

Is the flat a long term let or a holiday let? if its a holiday let then the requirement for the smoke / heat detectors are now a requirement in England (not if its a long term let). The bathroom light I would always install IPX4 or above, even if its over 2.25mts high - "external influences"...

You must be Cornwall way?

last year the home office issued a paper "A guide to making your small paying- guest- accommodation safe from fire" ( I assume for small properties not small guests :unsure:) which does state that a D1/ LD1 system is required. This could be what aico are referring to??

could you not just make up a gang of fly leads with a plug on one end ( which you can put whatever bs 1362 fuse you like in) and a trailing socket at the other end?

do the have to be fire rated? if so how about these https://www.nationallighting.co.uk/cannon-dimmable-led-fire-rated-downlight-9w-warm-white-matt-white?vat=1&gclid=Cj0KCQjw0bunBhD9ARIsAAZl0E3lCoOxGSPSISmyd8ytiJvPXcG8d7Pe0ofCtCkoZGDDQxxvJ3JtjrEaAmqzEALw_wcB

just be mindful if you are going to go 3 phase, if you have single phase solar PV it will only feed that phase of your installation!!