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Magnaclean all sorted and fitted correctly. Boiler pressure topped up to about 11 o’clock. Boiler when turned on isn’t firing although trying to on occasions . No fault reported but boiler hasn’t fired – no hot water – boiler remains quiet when hot tap is turned on

Can’t seem to get the top (where u bleed it) back onto the magnaclean – not back on tightened I guess as it doesn't come away fully - it seems pressurised. Pressure went to zero on boiler– tried to refill it by using the screws underneath and water cam p*ssing out the top of the magnaclean...

Pressure gauge on the front or pressure switch - The gauge is white with blue and red line. Underneath I don’t have a switch to adjust pressure. I use a screw driver and turn 2 screw like things and hear the boiler filling up – the ones that have the shower like cable connecting them under the...

Where do I find the auto air vent cap so that I can check that ? on the display panel when I press the ‘ – ‘ button it show’s a reading of 1.7 / 1.8 bar. Haven’t cleaned out the magnaclean – should I and could this help this situation ? is it just a matter of taking the top off it and pulling...

sorry – 2 other things that might be worth mentioning. Since the new boiler has been fitted I have been getting a lot of pipework squeaking that I didn’t previously have. When taps are turned on or the heating goes on and off I get a lot of pipework noise. The boiler over the last couple of...

I topped the pressure up a little and turned it on and there was nothing. I turned on the hot tap in the bathroom full, turned it on and off again and it tried to fire up but it went into F20. When cold, I assume u mean is when not in use. I am looking at the little gauge and it sits at about 9...

sorry foal - typo there.....

Thanks for getting back. I hope all turns out well with the foul. I just tried to turn it on again to see if we could get any hot water for a bath and after making weird noises cam up with the F75 again. I had a Magnaclean installed which is attached to a pipe – I haven’t cleaned this out or...

Hello again, Any feedback re what fault F75 is. These were shown after 2 F20 faults. I am unsure how old they are as the pressure was low on it months ago and it showed some faults. I was advised to top up by opening 2 screws underneath the body of the unit which I did and the pressure topped...

Sorry NTC ? I’m a real novice fella

Thanks for getting back Kevindgas. I think with Vaillants it is 17.5 at the inlet from previous posts when I asked this question. It looks as if it was never installed correctly – I think there are issues with my gas carcass underneath my floors which unfortunately are wooden floorbloods. Faults...

Hi, My boiler is making a lot of funny noises and is not working. The pressure seems fine but it is not firing up. The display gave me an error message one time of ‘F20’ with an ignition symbol to the left of it. Is this a gas supply issue as my pressure at the boiler is only around 14.5/15...

Hey Andy, Thanks for getting back. Who fitted the boiler – well a kind of colleague who was doing the bathroom – he got a corgi registered engineer to assist him and flush through the system. It wasn’t certified because of the low pressure and that’s my concern. He’s pretty much gone awol...

It appears that 22mm piping is coming into the flat and running for 8m max. The flat is ground floor(1 other flat above). I’d say 15mm feeders are going off to run rads and cooker etc. There is 1 * 168cm rad in the lounge, 1 * 142cm rad in bedroom 1 (rarely used), *2 117cm rads in hallway, 1 *...

I have purchased and had fitted a Valiant EcoTec Plus combi boiler. I am getting around 14.5mb of pressure at the boiler itself and have been told that this should be around 18. I have oak wooden floors in the flat which is in SW18 so access to the carcass is pretty much impossible (without...