How to mend ... Pressure Bar Heating Down

How can i fix my ariston micro genus 23?

Hi,My pressure reading when off is almost zero(first line in red)boiler will turn on and run fine but then the... [Read more]

vokera pilotlight on pressure ok but no output fan seems to be running cons?

excel 80 sp no hot water or heating pilot on pressure 3 bar fan seems to be running all the time

Boiler pressure too low then too high!?

Hi. Recently the pressure in my boiler constantly drops to practically zero. To turn the heating on I release ... [Read more]

How can i fix my glowarm boiler (24cl)?

Can someone please help? I'm having problem with my Glowarm boiler (24cl), not getting any hot water but the c... [Read more]

My sealed heating system is losing water but no apparent leaks?

Hi! My sealed central heating system loses one bar water pressure in two days. I have concrete floors with pip... [Read more]

Locating an underfloor water leak?

Hi! My central heating system is of the sealed pressurised type and I am losing about one bar of water pressur... [Read more]

over pressure when turn on central heating?

hi my worcester 30si is over pressure when i put central heating on pressure is set at 1 bar.but rises to 3bar... [Read more]

Performa 30 hot water failure?

This boiler turns off the hot water supply, giving a hot water sensor fail indication. This happens when the h... [Read more]

no water from hotwater tap, glow worm 30cxi?

Hi I checked other replies and others with a similar problem state the water is not hot but mine is not runn... [Read more]

Low bar pressure on heatline boiler?

I have a heatline combi boiler with no external model number. The bar pressure dropped to zero and shows no si... [Read more]

Worcester 9.24 Electronic BF boiler, pressure keeps dropping?

Hi my boiler keeps dropping the pressure, this happens straight after the central heating goes off and sometim... [Read more]

home heating boiler SIME Super 4?

The DHW went very dirty and so I reduced the water pressure setting when cold to 1-1.2 bar on the boiler as re... [Read more]

Cant re-pressurise my saunier duval isofast condens f35e?

The pressure in my system has dropped to 0.5 bar so I have an error message 21 and no hot water or heating. ... [Read more]

Loss of water pressure?

I have a Worcester 42i combi boiler. Over night when the heating is off the water pressure drops by 1/2 a bar,... [Read more]

loss of pressure in brittany combi 80?

I keep losing pressure in my combi boiler, i recharged the system and when i put the heating on it seems to sl... [Read more]

microGENUS 27 MFFI High pressure & water leaking from overflow?

i have a microGENUS 27 MFFI & heating works fine, But Pressure goes up & down between 3 & 4 bar, (Red line at ... [Read more]

how can i fix my ,worcester heat slave combi boiler?

This is what happens when i turn on a hot tap, first the fan starts and after a short while the pilot light ig... [Read more]

How do I lower the pressure in my Vokera boiler?

Hi, I posted this question elsewhere but then realised this is probably its proper home! I had my Vokera Co... [Read more]

How do I lower the pressure in my Vokera boiler?

Hi, I seem to have the opposite problem of most people on here so I hope someone can help me! I had my Voke... [Read more]

ideal combi pressure loss?

when i top up my ideal 280 combi to 1.5 bar water is passed outside via safety relief valve.the pressure go,s ... [Read more]