How to mend ... Combi System Boiler

vokera compact 28 combi boiler?

Engineer recently replaced a small part on boiler. Since he left, the central heating system gets warm when on... [Read more]

How can I repair my Worcester Bosch central heating Combi boiler HF 400?

My Worcester bosch HF400 Combi boiler works with Domestic hot water but when central heating is selected there... [Read more]

Combi boiler pressure/hot water?

I have a combi boiler. The CH is ok but my hot water system for running water does not stay on. It runs ok for... [Read more]

Red Recieve light constantly flashing wireless Digistat RF2?

Hi, I have a Drayton Digistat RF2 wireless system that has worked OK for about two and half years, however ... [Read more]

COMBI BOILER ?

No pressure on dial and water moving noise from the down stairs rads,and can not build pressure by adding wate... [Read more]

My Worcseter Bosch 42 CDi Combi Boiler?

Just got this fantastic boiler installed. However had to change from conventiional system to combi system and ... [Read more]

Combi drain down now no hot water !?

I have a five year old Biasi boiler. It has been working fine. Today had to swap radiator and drained down sy... [Read more]

Baxi Combi Boiler?

I have had an engineer out to my central heating system and he has said that their is a blockage in the system... [Read more]

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]

air in central heating system?

how do i get air out of my central heating system all my radiators constantly have air in them and my pressure... [Read more]

toilet over fills?

when running taps the toillet system over fills. this is on a combi boiler. recently i had the divert valve ch... [Read more]

Baxi Combi Boiler?

An engineer has been out to my central heating he has said that we need to flush the system to get rid of a bl... [Read more]

you may need to do drawings before you answer this one ?

This one will put you to the test…….. I have came across an situation in a pub/restaurant where I have a ... [Read more]

Low Pressure Warning Light?

Can anyone tell me how to rectify the low pressure neon being on on my Worcester 1994 350 Combi Boiler. I Have... [Read more]

frequent re-pressurising of Baxi combi 133HEplus?

I an having to re-pressurise my combi boiler a Baxi 133HE plus every other day. There is no sign of any leaks ... [Read more]

Pressure keeps dropping?

Dear Sir I would be grateful if you could help me resolve a problem with my Worcester Heatslave 20/25 - RS... [Read more]

Wiring for vaillant combi boiler 837?

Can anyone help me with wiring diagram for combi boiler 837 I am renewing my old system. Many thanks

Combi boiler pressure loss?

Having to top up system regularly. no leaks, exp. tank ok, prv ok, condensate discharge ok,

bleed boiler?

I am regualy having to top up my system through the boiler,maybe every 3..4 days not much but the preasure is ... [Read more]

low pressure from the hot water?

i have low pressure from my taps and shower when trying to use the hot water.it is a combi boiler and it have ... [Read more]