How to mend ... Boiler Above Pressure

Potterton profile 60e not firing-up?

my potterton profile 60e has been struggling to fire-up from cold. fan ran for short time and stopped. Eventua... [Read more]

How can I fix my Sime Super 80 low pressure?

The grey handle on the dial to the front right hand side of the boiler has dropped to zero. My hot water is no... [Read more]

Hi I have a worcester combi boiler heatslave 15/19 and its not firing up at?

all -pressure is on 1 bar (same as normal) I might need to clean the photo cells (or so i'm told) but need to ... [Read more]

Valillant Boiler VCW GB 242E ?

Keeps loosing pressure when pressurised to1.5 bar ,hot water work fine,but heating side. I have replaced new p... [Read more]

No Hot water with Valiant Combi Boiler. How do i fix?

From other questions on this topic, it looks like its the flow restrictor or diverter....how do i change this ... [Read more]

i have a code s.8 on a vailant combi ?

the boiler shows code s. 8 which in the manual means pump over run. what is that and how can i fix it please... [Read more]

Valiant F22 low pressure problem?

Afer a day out, i came home to have a shower only to find cold water coming out. I checked the bolier and had... [Read more]

how to get pilot and burner on. Baxi solo?

I have just fit a new air pressure switch. The boiler light is on and the fan is running but the pilot and bur... [Read more]

Heatline C24 virtually no hot water to Bath taps unless tap open only a bit?

Hi The heatline 24 combi boiler supplies hot water to bath taps only when run very low, ie tap on only a litt... [Read more]

worchester 35 cdi 2 rsf, boiler pressure rising?

My worchester 35cdi2 pressure goes from 1bar to 3bar in a few hours, has a new expansion vessel and water to w... [Read more]

The water pressure in my Worcester 24 CDi combi boiler keeps rising?

The water pressure in my Worcester 24 CDi combi boiler keeps rising to about 5 bar even though you have to ins... [Read more]

ravenheat boiler problem?

got a ravenheat csi 120 and the pressure keeps rising until pressure release kicks in. the filling loop is dis... [Read more]

How can I fix my combi boiler.....Ferolli Hawk?

My combi boiler is broken, the pilot light is lit, pressure is at 2 and temperature is correct but the heating... [Read more]

My Glow-worm boiler 30cxi is flashing at pressure 1.6 ?

My Glow-worm boiler 30CXI is flashing at pressure 1.6. At first the pressure was 0.3 and would not fire up. I... [Read more]

Boiler expansion pipe blowing back?

Hi! I have a two-storey house, the boiler was originally on the ground floor. Seven years ago the boiler was r... [Read more]

Pressure too high on Optimax HE 31 C Ferroli Combi Boiler?

F40 keeps flashing when the boiler shuts down after 20 minutes of being on. This says incorrect system water ... [Read more]

blowdown running constantly?

the pressure relief valve on my combi boiler runs every time a hot tap is opened or the central heating is run... [Read more]

Increase pressure vaillant turbomax?

How do you increase the water pressue on a vaillant turbomax plus boiler

28cdi rsf boiler? ?

can i replace the grey filling knob fell off in my hand when trying to fill which resulted in me not getting j... [Read more]

the pressure valve is going wrong?

the boiler tank is leaking water when its turned on. the water is coming through the safety valve. I don't kno... [Read more]