How to mend ... Central Heating System

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]

How do I fix my Ideal FF350 Slimline Classic Boiler?

My Boiler the Ideal FF350 Slimline Classic was fitted in 2003. I have never encountered problems and it has wo... [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]

Central Heating?

Insufficient pressure in the c.h. system but the pressure gauge is at 1.5.!

Vaillant, pump overrun?

We have an ecoTec pro 28, 3 years old. When cold water taps are turned off, when the central heating is off, s... [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]

FERROLI OPTIMA BOILER?

I have a ferroli optima 901 boiler which i am experiencing problems with. I have recently changed a radiator a... [Read more]

how do i fix it ?

i have hot water but no heating on my gas central heating system

no hot water from potterton 80E?

Returned from holiday a month ago and potterton netaheat profile 80E has stopped producing hot water. Central ... [Read more]

'ketteling' noises from the radiators?

My central heating is a fully pumped sytem with a Potterton profile 60. Although the system works ok, it is ve... [Read more]

How can I fix a thermostatic radiator valve?

I have an oil fired central heating system. All my radiators are very hot apart from the one in the living ro... [Read more]

Do I need to replace a radiator valve? ?

I have a radiator coupled into a central-heating system which seems to get hot...but less so than others in th... [Read more]

central heating question?

Hi, I have a central heating system that has 8mm bore pipes. I wish to add 2 further radiators to the system, ... [Read more]

Why is my heating not working ?

Vaillant 628 thermocompact boiler ( sealed pressurised system) Drayton 5/2 timer for heating and water + Pott... [Read more]

loss of pressure in closed central heating system no leaks?

worcrster oil heatslave closed heating system loseing water pressure no leaks from pipework or radiators must ... [Read more]

No hot water?

Our Ferroli optimax HE 31 C boiler is not giving us any hot water although the central heating system is worki... [Read more]

How can i fix my Halstead Eden CBX 32 combi boiler?

Halstead Eden CBX 32 Combi Boiler , No Running constant hot water fault......All the orange fault lights stay ... [Read more]

HOW CAN I FIX BRITANY COMBI SE 80?

DO I NEED AN ENGINEER IF MY COMBI SE 80 SHOWS 70 OVERHEATING DEFECT WITHOUT LOCKOUT. I HAVE NOT USED MY CENTRA... [Read more]