Mend > Home Heating Systems

how to fix leak?

after replacing the pump head in my worcester 28i combi,a leak has appeared in what seems to be an air vent in... [Read more]

Baxi Combi Instant 80 he pump fault/low pressure fault?

Hi, I have changed the differential valve dhw on my Baxi boiler today, and fired it all back up and topped up ... [Read more]

How to stop a water leak on Ferroli optimax?

I have a ferroli optimax HE plus 31c boiler. It was serviced yesterday and today it has developed a leak from ... [Read more]

Halstead ace 24 HE combi boiler keeps blowing fuse in PCB?

Every time I try and turn on the boiler the fuse in the PCB blows, the fan runs and on the old occasion and th... [Read more]

Intermittent fault on Worcester 30cdi combi boiler?

Sometimes my central heating won't come back on after using hot water for a while ie running a bath.Its alread... [Read more]

ravenheat boiler?

my ravenheat boiler rsf 84et keeps going on and off every 15 seconds when heating is on water is ok.

halstead ace high?

turn hot tap on and it fires up then cuts off

extractor fan replacement?

how does one remove an extractor fan from a halstead 50 boiler

main combi 30 he not modulating?

main combi 30 he not modulating for hot water

no hot water on baxi instant 80?

I have no hot water , boiler fires on pre heat but heats rads I have changed diverter valve head , fault findi... [Read more]

My rads are heating when I try to fill a bath?

When I turn my hot water on to fill a bath my radiator heats up

No display on my promax he plus boiler?

The control panel doesn't light up and I don't have any hot water

Baxi 105e Combi Boiler?

I have a Baxi Combi 105e which has been really great until now but has starting acting up and I think it needs... [Read more]

Heating controller Siemens RDJ10RF not working?

Wall unit has flashing red light, tried to sync the units with the usual reset, learn etc as described, but ju... [Read more]

worcester combi boiler makes banging noise?

for last few days notice when boiler comes on and when hot water tap is on makes explosive banging noise can h... [Read more]

Firebird Boiler?

my boiler is not firing,and the pressure gauge is on the red,have put in oil.i have fired it up and after that... [Read more]

how can i keep up pressure?

worcester heat slave 20/25 boiler the pressure always keeps dropping how can i solve this

no Display ?

there is no display on the screen only the blank screen

How can I fix my Vokera Unica HE air pressure?

How can I fix my Vokera Unica HE28 boiler air pressure Please can you advise on how to get air pressure int... [Read more]

what can i do to stop the pilot light being yellow on my boiler?

the pilot light/flame is very yellow,what can i do myself rather than call in a gas engineer,and is this yello... [Read more]