How to mend ... Central Heating

hot water for sink/shower temp fluctuates?

I have a Vokera excell 80 SP ---10 years old recently serviced(new diaphragm etc) central heating appears ok i... [Read more]

Worcester bosch CDI Hot water fault!?

The central heating works ok. When you demand for hot water the burner keep going on and off like every 10 sec... [Read more]

hot water for sink/shower temp fluctuates?

I have a Vokera excell 80 SP ---10 years old recently serviced(new diaphragm etc) central heating appears ok i... [Read more]

Central heating starting and stopping within 2 minutes?

The central heating switches on then off again within a short space of time without the radiators getting hot.... [Read more]

How can I fix my Isar HE30 boiler?

I can't get the central heating or hot water to come on. The display is blinking, first alternating with the ... [Read more]

thelia 623?

i have a thelia 623 combi.the hot water comes through only warm i have slowed the water rate down as much as p... [Read more]

My Ferroli Modena 80E combi boiler keeps switching on & off?

My Ferroli Modena 80E combi boiler fires up, then a few seconds later switches off. Then it fires up then it t... [Read more]

How can i fix my vokera linea 24?

Using just hot water there is no problem and central heating working fine but each time I switch the heating o... [Read more]

hot water not as hot as it was!?

got a british gas rd 628 (similar to a worcester bosch 28si II i think?) the pump went the other day and we ... [Read more]

vokera linea 28?

pressure keeps dropping when central heating is on. Drips come out of drain off outside. Pressure goes sky hig... [Read more]

Help!!! Ideal isar HE boiler not working at all?

hi well a few days ago my isar He boiler has seemed to have broken down 1)it does not switch on 2)if the po... [Read more]

Potterton Combi 80 central heating on timer or full time does not work?

How can I fix my potterton Combi 80? The Central heating does not work on timer or on full time but the combi ... [Read more]

Which thremostate has gone?

I have a Sterlinig PP combi boiler (Chaffoteaux et Maury) and it sipply will not switch off when on the centra... [Read more]

How can i fix my combi boiler [SIME, FRIENDLY FORMAT 80 E]?

When i put on the central heating, it works perfectly for approximately the frst half hour (i.e the radiators ... [Read more]

Potterton Prima F50 startup problem?

initially the boiler doesn't fire up when instructed to by the timer. You can hear what sound's like a fan whi... [Read more]

how can i fix my puma 100e?

low pressure light is on and the central heating system needs repressurising found filling loop. how would you... [Read more]

Britony Combi 80 no pressure?

My Britony Combi 80 central heating system has stopped working (but hot water was OK) and the pressure gauge s... [Read more]

how can i fix my brittany combi se boiler?

my boiler comes on normally but in the last couple of weeks as we turned on the central heating we keep needin... [Read more]

Can I change a radiator valve without draining the system?

Hi, I have an old gravity hot water pumped heating system, the boiler is a reliable, but expensive, Vulcan Con... [Read more]

How do I flush sediment out of my central heating system?

I have a central heating system with 11 radiators. Sediment in the system is reducing efficiency and I have be... [Read more]