How to mend ... Combi Heating System

how to fix combi boiler problem?

Ravenheat CSI 85 780 series combi boiler fitted 3 months ago, hot water fine but when central heating is on ca... [Read more]

How can I fix my Vaillant Turbomax Plus combi boiler?

Have recently drained and refilled system. Turned boiler on and after an hour or so pressure was around 2 bar,... [Read more]

pressure gauge on combi boiler?

I have a Ravenheat RSF 820/20T fanned combi the pressure gauge on it shows an increase in pressure above the i... [Read more]

Sabre combi boiler canstantly ON?

Hi Can anyone help me please I have a Sabre Combi boiler and my problem is this. My heating is constantly ON ... [Read more]

how can i fix GREENSTAR 24i junior / 28i junior combi boiler?

just bled radiators for first time. Now all radiators have gone cold but heating is still on. Dont know what t... [Read more]

warmflow combi problem?

boiler is heating radiators from the return pipe when hot water only is selected. I have changed the non retur... [Read more]

isar he30?

help , i have a isar he30 combi boiler the problem i am having is heating is turned off via honeywell cm927 th... [Read more]

heating system?

why does my sime format 80c combi boiler loose pressure when it is switched off?

do i need replacement part or new boiler?

i have a vaillant combi bolier ref no vuw242 I have had this for about 12 years and now have a leak the water ... [Read more]

Baxi combi 105 HE keeps loosing pressure?

There are no leaks on my heating system and as far as i can see there is nothing coming out of the pressure re... [Read more]

My combi boiler ignites flame to heat radiators then goes off itself?

When my timer clicks on, my combi boiler clicks and ignites the flame then the bigger flames comes on to heat ... [Read more]

I have an ariston E Combi 38 which keeps shutting down when trying to heat ?

Ariston E Combi 38 fires up to heat radiators, but switches self off after about a min, then refires up after ... [Read more]

Water Pressure Gauge rises too high on my combi?

Dear Friend Well I hope you are a friend because I need some advice, the pressure gauge o... [Read more]

how can i fix my combi boiler its a worcester 24i?

the power light is not on but there is power to the system.i have no hot water or heating.could it be the ther... [Read more]

Topping up combi boiler?

I have changed a radiator on my Vaillant combi boiler operated central heating system. How do I bring the pres... [Read more]

Vokera 24 losing pressure?

I have a vokera 24 combi that seems to be losing pressure. I pressurise the system to 1.1bar and while the he... [Read more]

Grant outdoor combi 90 v3?

My sealed system loses pressure when I run the hot water. When boiler cuts in the system builds up pressure ag... [Read more]

vokera combi?

my combi keeps loosing pressure in central heating system..checked all rad for leaks and seams to be dumping w... [Read more]

baxi 105e combi boiler?

boiler wont modulate when central heating is on causing pressure to exceed 2.5bar, is it the electric safety s... [Read more]

Loses pressure!?

When i switch my central heating off,my combi boiler(ferroli modena 102) loses pressure till its too low to op... [Read more]