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You also have the problem that most of the time water will not reach 65 degrees in your new cylinder. Making a great place for legionella to multiply. If you have ever looking in an old cold water storage tank and seen the black/ green growth. One cylinder, your gas boiler would push it over 65...

Odd question I know but... Does anybody know if there is a boiler manufacturer in the North of England, maybe Yorkshire? Cheers

Copper pipe looks a different size when tarnished. But I would go to the plumbers merchant and get a compression T, 1/2''X1/2''X15mm. You can usually take stuff back if they are any kind a merchant! Brass fitting (or copper) are much better than your Speedfit parts anyhow!

How about your plumber injects a stain into rad water to make ANY leak apparent. If its the coil you will then see it mixed in your hot tap water. If not, you should soon see where its coming from. Drastic fault, drastic measures!

I may be wrong, but I think if you change brand you will have to move cable and cold water pipe 6''as Mira have connections on the left side. Most other brands seem to be on the right for cable and water?? Over 9kw and you may need a 10mm cable, but you need to check...

You will find both turned parts have a chamfered surface around the hole, this is where the olive "seats" and gets crushed onto the microbore. The larger brass part goes inside the base of the rad valve (use a little PTFE around part). The nut goes on the pipe, then the smaller brass part...

If you have gone from un-pressurised to pressurised could be the coil in your old copper cylinder leaking to your hot water side(DHW)? Do you have a System boiler? If your plumber ripped the cylinder out to fit a combi (no stored water)instead forget my suggestion!

Using a pre-heat cylinder for a person with little knowledge would be hard to configure and wire! Simplest way is via a double coil cylinder, using a differential controller. When its too cold the gas boiler will start, if 65+ gas boiler won't! Does he have a F&E tank and where is it?

Firstly, why is your copper cylinder in the attic and not the last floor of your house (usually second floor)? You feed cold water tank for your copper cylinder should be in the attic, flowing water down to the copper cylinder. Are you in a bungalow?? You need ONE copper cylinder with TWIN...

Umm? If neutral is a "live" conductor, how is it the main earth wire does not have a chance to also become "live". Might as well call the earth the "Safety Neutral Wire", if its essencially the same?

Maybe a soil covered throw switch found in the first house's front garden :lol:

Thats the one! Where's the earth, neutral, live? Earth= armour Live= centre Neutral= ?

What kind of cable would they have used, it was a tiny diameter compared to my old TN-S supply. They have an old style cut out and meter?

My mate had his mains cable replaced as I told him there was no sheath on the existing one :shock: The DNO came out and replaced cable back as far as his neighbours supply(under eaves). Splitting sheath, (fork style) to joint it and NOT isolating the street! What safety gear do they use to...

Thanks!

Can't find the Ingress Protection section in the new regs, can you point me in the right direction?

Seems to be a little disagreement here?? :?

How do you apply de-rating factors to cable and protective devices? If you had a de-rating factor of say 0.5 ??

Ok, its not a simple task at all! I will rule this car out of my list.

Less fuel consumption.