How to mend ... Problem Ch Works Fine

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]

fuse blowing problem sorted but now ch cuts outs dhw ok?

I replaced diverter valve as fuse was blowing out due to sort circuit on actuator. Now dhw works fine but CH k... [Read more]

Ravenheat boiler problem!!!!!!?

Hi, I have a ravenheat HE85AAAT natural gas boiler, it fires up for a few seconds then cuts out then fire up a... [Read more]

My chaffoteaux britony 100se combi fails to light in CH mode?

My Chaffoteaux Britony 100se combi fails to ignite in CH mode, it works fine in HW mode!?! When I select CH... [Read more]

ravenheat csi85(T) 780series?

boiler works fine on dhw setting butwill not work on ch mode,i have tested thesummer/winter switch and is ok.h... [Read more]

What is problem with Pressure on Vaillant Boiler?

I have a Vaillant Eco Tec Plus Combi boiler (5 yrs old) that works fine -but- I notice that the water pressure... [Read more]

What part do i need?

My boiler is a Worcester bosch 240 Combi. The CH, when switched on works fine. When i turn on the hot water ta... [Read more]

heating system?

I had a glow worm 24hxi boiler fitted to my existing y plan system using the original controls(programmer,room... [Read more]

Can any body help me to diagnose my Baxi 105e please?

Hello, I have problem with my Baxi 105e. I had replaced diaphragm for DHW and it worked fine but now (after f... [Read more]

Ravenheat CSi 150 CH problem?

Hi My HW works fine, but when i put the CH system on the rads warm up nice and hot the boiler stops as expecte... [Read more]

Worcester Greenstar 24i junior: doesn't work!?

Hi I've just moved into a new property, the boiler is only about 2 years old; when I moved into this house th... [Read more]

Halstead Ace High boiler central heating cuts out before thermostat tempera?

Hi, my Halstead Ace High boiler central heating cuts out before thermostat temperature. Hot water works fine a... [Read more]

biasi boiler not working properly?

biasi 24s boiler, I have replaced an airflow switch pipe, and a ch diaphragm, and bled the ch system. the boil... [Read more]

Hot Water Problem with Ideal Isar He24 Combi?

Hi, Can anyone help? A friend of mine is having problems with her hot water supply from her Ideal Isar He2... [Read more]

Ravenheat CSI 85AT fires up and goes of every 20 seconds?

I have a Ravenheat CSI 85at that is just over 3 years old. This is the one that does NOT have the honeywell ga... [Read more]

Potterton Puma 80, Cold radiators?

Hi everyone. I have had no end of problems with my Boiler, but i have fixed all of them myself. But this on... [Read more]

hi , i have a glow worm 40ff micron problem?

my problem is with the CH . it wont fire up when turned on . the is no sound of gas or of the fan starting up ... [Read more]

Baxi Hot Water not firing up?

Hi All, I have a Baxi Combi 80e. CH works fine, but the HW won't fire up unless the CH is on. I've read throu... [Read more]

R30 HE boiler loosing pressure?

My R30 drops in pressure from about 2 Bar to zero in a few days and consiquently no hot water after topping u... [Read more]

Problem with CH only on Ferroli Combi 77 FF boiler?

Hi I have a ferroli combi 77 FF boiler which works fine on DHW and is OK the first time it comes on with CH. H... [Read more]