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I have read in a few CH installation guides that the header tank should be positioned as close to vertical above the boiler as possible. Can you tell me what the reason for this is. As in our property the airing cupboard with the pump ext is ~6m run from were the boiler will be positioned and...

Having resonantly moved and changed an old fused CU to a new split load one. I am experiencing the mcb tripping on the current surge when a bulb blows. Is this standard behavure cased by faster tripping of the mcb compared to slow fuse blowing. At that the time of instalation there where no...

What’s the best way to strip the chrome off plated copper pipe? As scraping it seems to leave the pipe surface rough. I'm concerned about the quality of the seal I will get on it. Thanks Dave

Whats the best jointing compound to use on compression fit's. Is liquid PTFE as good as any or is one that dose not fully cure a safer option. Dave

I am about to install a y plan vented central heating system and I need some help with choosing the correct size of the tanks. The usage will be 1 power shower 2 baths and 3 sinks. The sinks cold feed will come from the rising main the rest from the loft tank. It is unlikely that any of the...

Can chunks of tarmac be used as hard core for a concrete slab flore

What is the best make of CH condensing boiler. (NON combi) I was looking at a GLOW WORM 18Hxi are these any good? If not what makes are recommended? Thanks Dave

As I understand it pipes for central heating cannot be channel in to external wall and cannot be places in the cavity between the breezeblock and outer bricklayer. But can they be run in the cavity between the inner plasterboard on the wall and the breezeblock. As we have concrete floors and...