How to mend ... Boiler Starts Low

28i Junior Low Water Pressure Switch?

Hi, Have got a lockout problem with my Worcester 28i Junior. Does not like to start if it has not been run ... [Read more]

Greenstar 30 CDi central heating not working?

Worcester Bosch Greenstar 30 CDi boiler supporting the central heating after being off all summer. Hot wate... [Read more]

Low pressure on Worcester Junior 28i Boiler?

The pressure on the indicator dial keeps falling below the minimum amount required by the system in order for ... [Read more]

vokera Excell 80sp?

Hi My vokera Excell 80sp is playing up big time? We dont seem to be getting hot water. when the heating is ... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

How can i fix my 38cxi ultracom?

Has any one had problems with their cxi ultracom hot water not staying hot when trying to run bath or shower h... [Read more]

worcester 24i - too high and too low pressure?

hi. i have a problem with my boiler. when i open that filling loop, it fills the boiler but the pressure go... [Read more]

Myson Apollo Boiler - Intermittant Fault?

I have had a problem for some time now that I have had people out to look at and many parts replaced within th... [Read more]

Ariston EuroCombi won't ignite?

I have an ariston eurocomi boiler, when you try to get hot water or heating it starts pumping water but not fi... [Read more]

Hot water prob - Vaillant Turbomax Plus?

For about the last 6 weeks or so our hot water temp has been very unstable. The boiler fires and heats wat... [Read more]

Worcester 28i rsf intermittent fault?

My boiler has an intermittent fault. It fails to fire up every so often. When this occurs, taking off the low ... [Read more]

My Potterton Puma 80 has pressure build up problem!?

When the boiler is providing hot water only everything is fine, operating without any problem. But when the c... [Read more]

ferroli f 30?

put new thermisters on hw/ ch. still on / off when reaches low temperature, water only warm. removed inner c... [Read more]

Worcester 9.24 Electronic D/H/W Problem?

Hi. We have a Worcester 9.24 Electronic. CH work's fine but when we try to use hot water the boiler never kick... [Read more]

Baxi 105e flame failure?

I have a problem where the burner ignites and after a few seconds the flames decrease the ignitor sparks again... [Read more]

how can i fix it and replace parts required on combi vokera20/80rsflowmatic?

when opening hot water tap boiler delays in firing up when it starts the water temperature goes to 60c the sup... [Read more]

squealing noise from biasi combi boiler?

I've not long moved into this house and the boiler has started making a squealing noise when you run the hot w... [Read more]

Intermitantly Glow-worm 38Cxi shakes the house!!?

Our 38cxi mounted on a brick external wall shakes the house - but not all the time. It appears to be when the ... [Read more]

Hot Water intermittent and radiators only warm..Vaillant Turbomax Pus 828E?

I have a 828e Turbomax Vaillant boiler. The temperature on it keeps dropping constantly and then the boiler ki... [Read more]