How to mend ... Boiler System Bar

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]

Over-pressurised combi boiler system - help!?

Trying to re-pressurise my Sime Super 90 Plus, I opened filling loop valve and let water in to 1 bar pressure.... [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]

Worcester 350 boiler - low pressure light - gauge at right pressure?

First thing in the morning the boiler often hasn't fired, the boiler has the low pressure light showing even t... [Read more]

CH system loosing pressure: pipework fix?

Our CH combi system has been loosing pressure but there are no signs of leakage anywhere. Cold-fill pressur... [Read more]

Ravenheat CSI 85AT boiler tripping problem?

Ravenheat condensing combi boiler CSI 85AT fault? My 1.5 year old boiler has developed a random & intermitt... [Read more]

Ravenheat condensing combi boiler CSI 85AT fault?

My 1.5 year old boiler has developed a random & intermittent tripping fault, in both modes of heating (i.e. CH... [Read more]

low water pressure in worcester bosch combi boiler?

i keep having to add water via loop to my w-b 350 combi boiler with increasing frequency. the pressure falls ... [Read more]

How can I reduce pressure in my Worcester 350 combi?

How can I reduce pressure in my Worcester 350 combi? My 13-year old boiler crashed and I used the manual tap t... [Read more]

What is the matter with my Potterton Puma 80 Combi Boiler system?

I've Recently moved into my new flat and have been unable to get the boiler system to function properly. I am... [Read more]

Help!! Big problem with my Ariston Euro Combi?

Hi I recentley reparied i leak to my central heating system and after i had drained it down, repaired the ... [Read more]

prisma combi?

i put a question in recently asking do i drain the system until i have no pressure showing on the clock gauge ... [Read more]

Low Pressure, No Leaks On GLOWWORM SWIFT FLOW 75?

Hi, the pressure on our combi boiler keeps dropping off to about 0.3 - 0.4 bar, I have to top up the system on... [Read more]

Ariston Euro Combi boiler pressure problems, can any one help?

Yesterday the boiler itself wouldnt fire, and at first I thought it was the pilot had gone out, since found ou... [Read more]

Please, please help!!?

Glow-worm Spacesaver 40B Mk11 The burner ignites with a strong blue flame, but after a few minutes, the fla... [Read more]

Burner flames all over the place?

Glow-worm Spacesaver 40B Mk11 The burner ignites with a strong blue flame, but after a few minutes, the fla... [Read more]

vaillant combi no hot tap water?

I have a Vaillant combi boiler TURBO MAX PRO 24E only two years old and have had problems getting hot water to... [Read more]

Ariston 27 RFFI boiler - pressure drop?

I need to fill up the boiler every 2 days when it drops from 1.5 bar to zero. The pressure relieve valve has b... [Read more]

Glow-Worm 24ci combi bolier - low pressure!?

Hi I have a Glow-Worm 24ci combi boiler, the pressure has fallen to 0.4 bar and is flashing, with the red faul... [Read more]

Over pressure in Glow Worm Swift Flow 80 Boiler - dangerous??

I have a Glow Worm Swift Flow 80 Boiler. It is over pressurising itself to 4 bar when on for just a few minute... [Read more]