How to mend ... Boiler Pressure Heating Water

Pressure increases when heating on?

Pressure increases over 3 Bar and water comes out from over flow which reduces the pressure lower that 1 bar.... [Read more]

how con I fix my Worcester 350 combi boiler?

another worcester 350 problem - hot water works fine, but on heating mode pressure rises to indicated 3 bar, a... [Read more]

faulty boiler no one can cure worcester heatslave 15/19 combi?

my boiler is losing pressure and no one can get to the bottom of it !! overnight the pressure drops to virtu... [Read more]

my hot water runs cold and radiators don't always heat?

I have a baxi combi boiler about 4 years old. For a few weeks now hot water has on occasions gone ice cold and... [Read more]

Haven't had a bath in ages?

Heat Line boiler...central heating working fine, but very low water flow/pressure through all hot water taps. ... [Read more]

Poor hot water flow?

Heat Line boiler...central heating working fine, but very low water flow/pressure through all hot water taps. ... [Read more]

boiler won't light, no hot water or heating?

The hot water light won't stay on and just flashes, so we have no hot water or heating. The pressure is at 1.5... [Read more]

Low hot water pressure?

Heat Line boiler...central heating working fine, but very low water pressure through all hot water taps. On... [Read more]

Los of hot water pressure?

My hot water has reduced to a trickle. It does come out hot but only if the boiler has already fired up with t... [Read more]

halstead ace high over pressurising?

I have a 5 year old Halstead Ace High boiler recently when the central heating is running the pressure has bee... [Read more]

loss of pressure in closed central heating system no leaks?

worcrster oil heatslave closed heating system loseing water pressure no leaks from pipework or radiators must ... [Read more]

Worcester Heatslave 20/25 Oil Combi Boiler?

Help, Our Worcester Heatslave 20/25 boiler has been playing up again recently. Over the past 14 months we hav... [Read more]

whats wrong with my little star fanned combination boiler?

HW working fine CH working but when heating on it fires up for 1 minute then cuts off and then comes back on a... [Read more]

suanier duval isofast f28E keep loosing pressure?

when i turn hot water on and off boiler loose some pressure every day i have to repressure the system it run f... [Read more]

How do i fix my boiler?

For some time now my heating and water will not stay on. The reset button keeps turning on and the manual stat... [Read more]

Where is the isolation valve?

I have a ferroli optima 700. I recently had a leak which stopped my boiler from working completely (no hot wa... [Read more]

how can i get hot water to work?

my boiler works when set to heating and hot water when i select to just hot water nothing water pressure is fi... [Read more]

Biasi Combi Boiler not working, help!?

Hi I wonder if some kind fellow could help me with a problem I have with my boiler Firstly appologies as I ... [Read more]

Glow-worm 18sxi problems - HELP!?

Hi We bled the rads on Friday evening, lots of air in system. Later that evening boiler refused to work, 0... [Read more]

how can i fix my alpha 240 xp?

when the hot water and heating are on the gas comes on and off the pressure is a little up out off the green h... [Read more]