How to mend ... Combi Pressure Switched

Ariston Micro Combi - pressure drops when water is switched off?

The pressure gauge is constantly up around 1-2 but when the water is turned off the pressure drops to zero. Th... [Read more]

how do you drop system/boiler pressure on a Baxi 105e combi boiler?

I need to check the pressue in the expansion tank, and re-pressurise it if needed. When the central heating is... [Read more]

pressure overflow problems on Thermaclassic combi boiler,?

Hi, I have had the prv on my boiler replaced as the overflow pipe was dripping and the pressure dropped to 0.0... [Read more]

Cold radiators?

Hello I hope someone can help!!! I have 2 rads in an fairly new extension (2006). I noticed they were cold a... [Read more]

Pressure gauge off the clock on Arisiton Micro Combi?

The pressure gauge has gone off the clock on my Ariston Micro Combi boiler. How do I release the pressure? (Pr... [Read more]

Boiler is "on" but it doesnt start ignition.What to do?

My boiler is a worcester 24i rsf.l combi, and to turn the water or the heater on, is doesnt start the ignition... [Read more]

as in prev thread?

I have the same problem with my Puma 80 combi. System pressure at about half a bar when switched off then goes... [Read more]

No hot water from my alpha cb24x?

Hi there i have no hot water from my combi boiler mdel no.Alpha CB24X The boiler kicks in when heating is swit... [Read more]

pressure increases when switched on?

my combi boiler pressure guage increases from 1 bar to 3 bars when swithched on and it only fires up to heat w... [Read more]

No hot water or radiator heat?

Yeaterday our combi boiler Worcester 241 modes started banging. We switched it off, pressure has been dropping... [Read more]

How can Ifix my Vokera 12-48 RSE Mynute Combi boiler?

When the power is switched on with the thermostat calling for heat, the fan immediately comes on but the boile... [Read more]

get a moaning noise every ten mins when combi boiler is on for central heat?

when the combi boiler is switched on for central heating the boiler makes a moaning noise every so often,is th... [Read more]

how do i reduce the pressure on my 30si glowworm combi boiler?

when on water heating only the pressure reverts back to 1.2 bar instead of the 1.0 bar. when on both heating ... [Read more]

my Vaillant thermocompact combi will not light. fault no f.28?

I switched off boiler to flush out a cold radiator. Refilled system till pressure was ok,bled the system ok,sw... [Read more]

baxi bahama 100 combi knackered again-advice requested?

After several flow switches and a new PCB over the years my Baxi boiler has developed another fault. I am assu... [Read more]

pressure loss then overflow on combi boiler?

having a problem with pressure loss on a Halstead combi boiler had to let in water to take pressure up from 0... [Read more]

Where can I get a manual for my Vaillant VCW GB 242 EH combi?

I have a Vaillant VCW GB 242 EH combi which is acting up. Just had a guy replace the pressure release valve fo... [Read more]

My Baxi Combi Boiler (Combi 105e) does not always light?

My boiler does not always light when either the hot water or central heating is switched on. The pressure is ... [Read more]

Can I switch on my valiant combi after 6 months off?

Valiant combi been switched off in old rental house. In perfect working order. Do I have to let the pressure b... [Read more]

the heating on my valliant vcw 242e combi boiler will fire up?

the central heating on my Valliant VCW GB 242E combi boiler does not fire up when the heating is switched on, ... [Read more]