How to mend ... Central Heating System

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]

What can I do?

Hi There, I have recently replaced my shower system with a thermostatic valve. I have a gas bolier in the kitc... [Read more]

no hot water after replacing 3 way valve?

We have just replaced the 3 way valve on our central heating system, but have no hot water. When timer comes ... [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]

pilot keeps going out on my raven heat 820/20?

can anyone help? the pilot light keeps going out when i use the hot water,it runs fine but when i turn the tap... [Read more]

BAXI BERMUDA CENTRAL HEATING?

MY DAUGHTER HAS A GROUND FLOOR FLAT WITH A BAXI BERMUDA HOT WATER / CENTRAL HEATING SYSTEM . I TOOK THE RADIAT... [Read more]

How do I drain my oil fired Trianco Redfyre TRO15/19 heating system?

How do I drain my central heating system to alow me to repair a compression joint on a radiator valve. My boil... [Read more]

NO HOT WATER?

I have a back boiler which runs central heating ok but gravity fed water doesnt work.The flow pipe to water cy... [Read more]

Ideal mini c24. intermittent CH, main green flashes normally?

Hi The Ideal mini C24 boiler is about 4-5 years old. Its been working intermittently for the last couple of y... [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]

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]

Boiler problem further data on earlier question ?

Thank you for your helpful responses. I have made further observations and these are as follows: I have two... [Read more]

Phantom Boiler Operation at Night!?

I have a Potterton Profile 80E Boiler servicing my hot water and central heating. My timer system is Honeywel... [Read more]

how do i wire a three wire thermostat into my central heating system?

I have a central heating system which i would like to wire in a three wire thermostat

Ferroli Optima 701 Hot water intermitent?

What is the cause of intermitent hot water. Central heating works without any problem but hot water is not rel... [Read more]

Why does my boiler cut out when water heater/ central heating kicks on?

I have a potterton kingfisher cf 55 boiler, which worked well until recently. Now I can have the system on, ... [Read more]

Circulator pump. Can water pass through it when the pump is switched off?

Does a central heating water pump itself prevent water flowing through to the radiators by gravity? This may ... [Read more]

How can I fix my Potterton Profile 40e boiler?

The hot water side of the central heating system works fine.But no heating,the hall thermostat works,when oper... [Read more]