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G3 is not generally a difficult qualification to achieve and lots of plumbers should have it.

O ring seal(s) is gone in spindle. Usually just the final O ring before the viewable spindle. It might be possible to replace the O ring if an identical sized O ring could be sourced. Might be best left for a plumber to do. Requires a suitable spanner to remove the cartridge. Replacing the...

You can get thermal stores that are indirectly heated and have a water content that is a ‘dead’ water store which allows transfer of heat from the heating system coil to the hot water heat exchanger. That means the water in the cylinder is treated with inhibitor, but is not part of the heating...

I find sealed systems usually very clean if they are good systems and not needing topped up often. Strangely some open heating systems have little corrosion after many years which I assume is because of the design of the system, accidental or otherwise. Old systems that have pumped rads and...

Megaflo cylinders can have a suitable sized potable expansion vessel retro fitted if the internal baffle fails. I believe Megaflo allow this. But I personally think Megaflo units are overpriced. I fully agree, - unvented can be a costly and problematic choice, but not always. They can also be a...

The water absorbs air in an open vent system and releases the air when the water heats, unfortunately often into a towel rail or a radiator on upper circuits in many systems, and repeats the cycle. Sealed system is possible to not have that problem. Got to be careful of the problem of auto vents...

Sealed (unvented) heating systems have the advantage that they cannot flood a house if a leak developed - (say someone put a nail through a pipe) as only a small amount of water would take the pressure off the system. Also a sealed heating system should not absorb and release air, whereas an...

Corbyn and McDonnell time has come! Time to leave the Labour Party. Time to give up politics. Time to confess they were always wrong and guilty of supporting selective terrorist groups. Good riddance to them.

Welcome back. We are still clowning around. Merry Christmas!

The pressure can be set to 3bar if you have that pressure from water mains. Remember that if a pressure reducing valve is set at 3bar say, and your incoming mains is actually less, then you will not get 3bar pressure, (but pressure will increase at off peak times). The flow rate is as important...

I would rip out the rest - tray and all and start again. Walls could be done with hardie backer cement board.

Let us all just be fully honest about it and not make excuses for Corbyn. He lied to attempt to make himself look good to the viewing electorate and put his foot in it. There are dreamers who believe Corbyn is not a devious terrorist supporting liar.

Strictly speaking you are supposed to flush system after adding a new radiator. I don’t think a mild cleaning chemical will do any harm . especially if you flush system thoroughly. Some of the chemicals neutralise if left in system I am told, although I would advise fully flushing it. Always...

Remotely situated gas bottles can be hard piped, below ground or above if done correctly. But need to check what is possible with LPG gas installer. Pipe size would need to be 15mm I would think.

The coils either fail completely or fail in burner run periods from a few minutes up to about an hour maximum. It is the coils heat that results in the varying lockout times, as above post.

Your gas installers should know the regs if they are lpg qualified, so just whatever they say really. Ask them the best position for the gas bottle and perhaps also try a different installer for advice. Might be worth considering opting for a remote position for gas bottle and have it all...

Maybe not one of his worst statements, but did Corbyn make a comment about Teresa May and then deny it? Difficulty for Corbyn was it was in parliament, all on film for all to see, including the lip reading experts. Just another denial by Corbyn. As to Corbyn’s claims he was talking to Adams and...

So are we all to assume you think (or know) that Corbyn doesn’t lie?

“All copper pipe with JG Speedfit fittings” ? Then bin all the push fit fittings and go soldered copper fittings or/and brass compression fittings. Cheaper and permanent and reliable

No, definitely happy about that description covering Corbyn. I thinks he fills those shoes better. :)