How to mend ... Central Heating

No DHW from Alpha 240E?

I have an Alpha 240E Combi boiler which works great when central heating is on but DHW does not get hot when c... [Read more]

how can i fix my seme 80 boiler?

my boiler has been switched off in an empty flat for 3 months when i ask for hot water i get warmish hot water... [Read more]

How can i fix my combi boiler/ central heating (make is Potterton Lynx)?

Hi When i switch on my boiler it starts up for a minute or so then trips the switch off in the fuse box. This ... [Read more]

Grundfos Selectric UPS 15-50 pump?

The pump has been 'jamming' for the central heating for a while, necessitating a good whack to get it started,... [Read more]

How to set clock on Worcester Bosch Greenstar 28i Junior?

Hi there, our heating doesnt go off when the time goes past the time I set it for. I cant find clock setting i... [Read more]

What could be the reason for fan not coming on?

What could be the reason for fan not coming on when switching to either hot water and central heating or hot w... [Read more]

central heating not working?

my central heating is working upstairs (radiators) but not down stairs , all the rads are cold. I have bled th... [Read more]

whats wrong with my boiler?

the central heating works but when we want the hot water no water come out of the hot tap. the make is an eco... [Read more]

Got Ravenheat RSF 820/20 central heating ok but water is running cold?

Central heating is working fine but when turn hot tap on full, water runs cold (if leave it running as a trick... [Read more]

vokera excel 80 sp ,heating but water only warm?

engineer been ,replaced diaphragm and sensor ,but water is only tepid ,but hot when central heating on ..he sa... [Read more]

water not heating up from the central heating system?

we have an oil worcester danesmoor central heating system. The heating is working fine but the hot water is no... [Read more]

Vaillant Ecotech 837 plus lossing pressure over 3 weeks?

I have noticed when central heating is off boiler pressure drops from 80% to 25% in 2 days. when ch is on take... [Read more]

Potterton combi 80 boiler?

When central heating is hot, the bar guage goes into the high pressure red section and water comes out of the ... [Read more]

baxi combi 80 eco no hot water?

central heating working, but no hot water, but radiators need bleeding regular to keep rads hot, any ideas, ch... [Read more]

Central heating not working at all?

Boiler is working, hot water in the taps, pump is working on the boiler, thermostats and timer working okay, t... [Read more]

potterton performa 28 ive got hot water but no central heating?

i have just had a potterton performa 28 installed brand new from the box but bought 3 years ago i have got d... [Read more]

How can I Fix halstead finest gold?

Hot water is only luke warm.Central heating OK

alpha cb24 boilers?

I have an alpha cb24 boiler which was installed over 4 years ago,for the last week or so i have been unable to... [Read more]

my vaillant wont let me have central hearting?

i have a eco max 824 and have hot water but no heating i also have no installation/instruction manual.

Ravenheat CSI 85 Boilern fault?

The only way I can get my central heating to work is if I switch the boiler of at the mains leave for an hour ... [Read more]