How to mend ... Trying Ch Boiler

HW issues w. Vaillant boiler?

My Vaillant turbo Plus 824E is playing up for the last few months. One morning there will be no HW, the next m... [Read more]

Programming Honeywell CM921?

Hi: The heating engineer installed this unit during installation of a new boiler. This is a 1 day wireless pro... [Read more]

How can i fix Ferolli Modena 102?

When calling for hot water,boiler fires up and keeps running. Water sometimes hot but mostly cool.Fitted new h... [Read more]

Ravenheat LS100?

When I turn a hot tap on the boiler starts up runs for approx 10 seconds then switches off then fires back up ... [Read more]

glowworm betacom 30c fault?

in either ch or dhw mode, boiler runs thru sequence properly and gas ignites. After 5 secs gas goes out and af... [Read more]

How can I fix my Greenstar CDi condensing combi boiler?

...after nearly 4 years of fault free operation from new, this morning I had no hot water & a "EA" message dis... [Read more]

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

CH is ON in the off position and will not turn off?

I have a Halstead Finest Combi boiler, which the CH automatically came on at night and unable to switch it off... [Read more]

Halstead ace high boiler, ch not working?

my central heating is not working but the hot water is fine, think it may be the diverter valve but not sure

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

Worcester 26cdi _ slow flashing CH light, burner does not fire up ?

I have a Worcester 26cdi _ only when we use the shower the boiler intermittantly has a fault, when the fault o... [Read more]

centrel heating boiler problem?

when hot water is not in use and ch switch is on minimum the disply panel shows c instead of o and the pump ke... [Read more]

Vaillant Pro 28. Rads get warm when hot water is run?

I recently had error code F75. Pressure was low and boiler locked out. I put pressure right and turned boiler ... [Read more]

CSi 120T manifold melted?

the flue manifold has melted along with the condensate pipe where it leaves combustion chamber.Any ideas-sound... [Read more]

Ravenheat 85T Boiler continually stop starting?

Hi, looks like I've made a bad purchase with a Ravenheat boiler CSI 85T ( 14 months old) . Boiler works ok in... [Read more]

no hot water from shower?

i have a mira shower (mains) and i have no hot water the ch system works as do my hot taps when i turn on the ... [Read more]

water dripping out of overflow pipe from boiler when CH on?

I have a Vaillant combi boiler and when i put on the CH water is dripping from a pipe that looks like an overf... [Read more]

Potterton Netaheat 16-22 HW doesn't work without CH?

I have had this problem with our Potterton Netaheat 16-22 Boiler for a while now. It is fine during the winter... [Read more]

Glow worm 80e locked out, what do I do?

I have a Glow worm compact 80e that remains locked out I cant re set the boiler at all no hot or CH any ideas ... [Read more]

Problem with my potterton 2000 programmer?

The HW constant switch will turn the boiler on but I have no central heating as the CH constant switch has no ... [Read more]