How to mend ... Boiler System Switch

How can i fix my Glow Worm 20 - 30F?

The boiler only starts the fan and fires up if i blow into the Air Pressure Switch. The Mid Position Valve and... [Read more]

What's wrong with my Vokera boiler/heating system?

Hot water works ok to programme but heating only comes on on the first timed option. After it has reached spe... [Read more]

Heating fine but NO HOT WATER?

My husband recently changed a thermostatic valve on a radiator that wasn't heating. He drained the system, re... [Read more]

28i junior CH problem?

I have a fault with the central heating of my worcester 28i junior. The boiler fires up and the radiators heat... [Read more]

what is wrong with my combi ?

HI, i have a potterton puma 100 combi, about 12 year old and when i switch the central heating on,after approx... [Read more]

Vaillant GB2 EH - Got DHW but no CH and its freezin!?

Hi Guys - am in desperate need for tips on how to fix our Vaillant VCW-GB-282 EH Combi. Installed about Apr 19... [Read more]

Halstead Eden CBX 32 boiler fault?

Hi I got a Halstead Eden CBX 32 boiler about 2 years old, the heating is not switching on from the clock. ... [Read more]

Central heating system switches off after 5 minutes?

I have a Potterton Combi boiler. In the last week the central heating has broken down. When the continuous swi... [Read more]

Potterton Puma 100e?

My boiler has the low pressure light on, so I turned the switch to off and bled the radiators (some black wate... [Read more]

Potterton CH System will not work!?

I have Potterton Suprima Boiler which is heating water only. The CH system is intermittent and only occasional... [Read more]

Boiler pressure issue (Worcester Greenstar Junior Cond Combi)?

Last night, I noticed 2 of my upstairs CH radiators were cool at the top, so I decided to 'bleed' air from the... [Read more]

How can i fix my Potterton Performa 24 combi. boiler?

My Potterton Performa 24 combi. boiler will switch on and fire up, but will not switch off. For example: If i ... [Read more]

Baxi Cmbi Boiler?

With the heating off, I bleed and pressurize the system and leave for 24 hours and there is no drop in pressur... [Read more]

Boiler will not start up (Potterton Promax HE Plus)?

New boiler installed 10 months ago ( No previous problems ), I have just replaced all my radiators, having d... [Read more]

baxi solo 3 pfl 30/80 boiler?

Is there anything i can do myself to fix this problem,the system is just making a clicking sound when i switch... [Read more]

boiler goes onto pump overun after "COLD WATER" IS USED?

worcester 24i Why when I operate the cold water in my house and then turn it off does my flow switch operate ... [Read more]

Hot water keeps boiling?

DHW (gravity fed HW pumped CH system; Potterton floor standing (?1200) balanced flue boiler replaced 6 years a... [Read more]

Worcester combi 440 boiler?

I got an 18 month boiler which was working ok till few month ago. I noticed that the pressure is dropping and ... [Read more]

Cylinder Thermostat not switching off?

I have recently had my system drained to fit a new bathroom. Since then the hot water has been too hot. I trie... [Read more]

HELP!!!! Biasi Combi M90 24S No Pressure?

I have been in my house for a year. During that time I have had no problems with the boiler which is a combi f... [Read more]