How to mend ... Ch Start Heating

ravenheat csi85 combi read this it will help many!?

I have a ravenheat csi85 boiler, the hot water works fine. The central heating started switching on /off, it w... [Read more]

Ravenheat CSI 120 error code 04?

I have a Ravenheat CSI 120 on which I recently (last week) replaced the diaphragm in the diverter valve. I the... [Read more]

ignition problem?

hi anyone out there, Having a problem with hot water/ heating water boiler ingnition,upon start fans runs gre... [Read more]

baxi combi 80e hot water ok - not so ch - no heating for ages?

I have a baxi combi 80e boiler and have no complaints with hot water but am having real trouble with the ch. T... [Read more]

halstead ace high problem?

Hi, I have a problem with my hot water and heating. The Halstead Ace High boiler does not come on when a deman... [Read more]

Baxi Solo 3 heats water but not CH?

My 5 year-old Baxi Solo 3 CH circuit has just packed up, although the water heating is fine. The CH is control... [Read more]

how do I get ch to start heating?

System:potterton kingfisher2; drayton digistat RF and potterton EP2000 controller connected via a Salamander b... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

No heating, but Hot Water works fine Vaillant VuW 242 failure: F.28 ?

In my case F.28 comes ONLY if heating needs to start. If I open the hot water tap during CH ignition attempt,... [Read more]

Worcester Bosch 35CDi II banging & wild pressure (CH only)?

Hi, just recently our Worcester Bosch 35CDI II boiler has been making worrying noises After 30 seconds or s... [Read more]

Ideal Icos Boiler, Heatrae Sadia CL170, Reliance Pressure gauge?

My CH/HW system consists of the above components plus a room thermostat and control panel beside the boiler. A... [Read more]

ideal FF270 ticking but no heating. Pilot light OK?

My Ideal FF270 is installed to supply CH only and sometimes works perfectly. However, in really cold weather, ... [Read more]

vaillant turbomax plus is not responding to settings?

Hi just wondering if any one has an idea why my vaillant turbomax plus is not responding to the set settings. ... [Read more]

Potterton 16/22 - won't light?

Hi there, Yes it's an old boiler, but there's not money to change it or even call anyone out. I'm on the ve... [Read more]

no heating?

i have a domestic gravity fed pumped system with two mot. valves. the HW system works fine when controller dem... [Read more]

Central heating is freezing?

My Baxi 105e combi boiler is playing up.The hot water is great but the ch which is normally very good and warm... [Read more]

Potterton 50e fan cycled, changed the pcb, now nothing?

My CH fan was running but it was not firing up, kept cycling for over 40 minutes before starting up and heatin... [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]

Glowworm swift flow 100 - pilot & green light on -no CH or hot water?

I have a glow worm swift 100. When I turn the hot water or central heating on the green light turns on as it s... [Read more]

how can i fix my brittony combi se?

I set the water pressure on my brittony combi se at 2 bar and when the heating is on the water pressure expan... [Read more]