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hi, ive been told that when having a new combi boiler system installed that you have to change both valves on the rads because the pressures are different from when you have had old systems on to new systems. It was a really old G rated system we had before and the rads are over 30 years old...

is it necessary that the oposite valve needs to be changed aswell though?

Hi we have just had a vailliant combi 837 ecotec fitted and i was not very pleased with the person who fitted it because he only fitted 1 thermostat valve on the radiators , but my question is should both of the valves on the radiators have been changed as 1 valve is brass and the other is...

Thanks alot everyone for your help

Hi we have just had this boiler fitted, when using the cold water or using the toilet flush the boiler fired up, so we had a one way valve fitted and had the dead legs capped off on the pipe work and it cured it. But now the boiler ocasionally lights up when no water or heating is been used and...

is it ok to put airbricks in without putting the liners in? just knock a couple of bricks out on the inside so air can get through the airbrick and vent the joists

Hi my mate has just bought a 1930's house and he were advised to have a few air bricks fitted on the back of the house as there was a bit of damp getting in and there are no air bricks fitted. Where should the air bricks be? Above the damp course or below it? Should it also go straight through...

hi all what combi boiler is the best out of these 2 makes thanks

hi can someone please tell me whats the best kind of combination boiler to get for reliability and most powerful thanks

Hi just wondering if the expansion pipe coming from the combination boiler can be tapped into a cast iron pipe thanks

we had the boiler moved 20 years ago, and the person did not put a motorised valve on it. We only have this problem in the winter because obviously we use the hot water and central heating together

stat set at 65 and is strapped to center of the cylinder, when water only on the bathroom and one bedroom radiator comes on

what else do you need to know?

I have a thorn central heating boiler , when using water only the water is piping hot (reasonably quick) but when using water and heating it takes alot longer to get hot and also is not as hot. Water only does not work on gravity due to it being a fair distance away from the hot water cylinder...

Hi can any of you guys tell me which combi boiler is the best to buy on the market please, want a top of the range one thanks Dave

To increase the MBAR from 13 to 17 to adjust the governer screw do you turn it clockwise or anti clockwise thanks Dave

Also what would be the best speed to put the circulating pump on as it has 3 settings.

not sure why mate, can you reduce it to less than 16?

My boiler is working perfect and very reliable, but is using alot of gas, It is using 6 units of gas over the period of 6 hours a day. Had it serviced recently and the person who did it said he has set it at 16.00 MBAR. since this it seems to have gone crazy on gas. The guy reccomended us to get...