How to mend ... Heating Problem System

air trapped in worcester bosch 40 cdi ?

My worcester Bosch 40 CDI goes down nearly every time I manually switch it to radiator mode. It may run fine ... [Read more]

worcester 240 bf heating?

Heating L E D. lights up and pump starts but no gas ignition. The system will stay on but no heat. Sometimes i... [Read more]

siemens RWB9 Programmer Fault?

i have a fully pumped system with zone valves , one for heating and one for hot water, my problem is that when... [Read more]

Sabre combi boiler canstantly ON?

Hi Can anyone help me please I have a Sabre Combi boiler and my problem is this. My heating is constantly ON ... [Read more]

Halstead ace high boiler ?

After reading these post I think the problem with my boiler is also the diaphragm but my question is on some p... [Read more]

water is filling the header & expansion tank via the feed pipe to the pump?

Over the last few weeks I have noticed that the overflow pipe to the header tank has been dripping, but I have... [Read more]

Digistat SCR fault?

Hi I have a similar problem with the Drayton Digistat - hot water is ok - but no lights at all on the SCR reci... [Read more]

warmflow combi problem?

boiler is heating radiators from the return pipe when hot water only is selected. I have changed the non retur... [Read more]

isar he30?

help , i have a isar he30 combi boiler the problem i am having is heating is turned off via honeywell cm927 th... [Read more]

Problem with Potterton Promax HE24 Boiler?

The hot water system works ok. I have fitted a thermometer to the outlet from the boiler and this goes up to o... [Read more]

non ingition?

my potterton profile system does not ignite. it has been on today but i noticed the heating had gone off and d... [Read more]

What does the error code "L.E."mean on an isar HE24 combi boiler?

Some times when the boiler is running on central heating,the cut out opperates and L.E.flashes.Nothing works u... [Read more]

heating system?

I have a ferroli Modena 80 E, the problem is the heating wont turn off, even when the temperature position is ... [Read more]

Mid Position Valve (Drayton)?

Hi, My problem is with my central heating and hot water system. This is a long one! When I select just h... [Read more]

unvented hot water central heating problem boiler potterson ?

boiler firing ok, watter silender ok but heat not comming to rads watterpump ok ( strong ) pipes hot around th... [Read more]

baxi 80 he combi boiler hot water fualt?

hi. my boiler hot water only works partially. the central heating is fine. i have partially traced the problem... [Read more]

I have an Ideal elan 2 boiler this was in the house when we bought it?

I have an Ideal elan 2 boiler this was in the house when we bought it and has worked alright and is still heat... [Read more]

Pressure gauge at 6 bar! What is wrong with system?

I have an Ideal Classic boiler with a sealed system which was installed 14 years ago. In the last 3 years I h... [Read more]

what is the fault with my Ariston Microgenus 27 MFFI boiler?

Ariston Microgenus 27 MFFI. my pressure gauge is nearly on zero, when i try to top it up only a small amount o... [Read more]

Baxi 105 instant He problems?

I have the above boiler 4 years old and am looking for any advice as really hope i dont need to get a engineer... [Read more]