Mend > Home Heating Systems

Bt Gas glow worm 330 timer controls not working?

The timer controls are set for am and pm sections. They start up OK for am but don't switch off until end of ... [Read more]

How do I raise the pressure on my boiler after bleeding radiators?

How do I raise the pressure on my worcester heatslave 20- 25 oil boiler after I have bled the radiators

I have a Ferroli FF 77 the pilot light has gone out will not stay on ?

when i release the gas button the pilot will not stay on

baxi brazlia wall mounted gas room heater flame keeps blowing out?

My wall mounted baxi brazilia room heater is causing a problem, the flame which I can see through the small in... [Read more]

heatline vizo 24?

central heating cutting in & out for about 30 sec a time any ideas

combi oil Worcester greenstar heatslave 12/18 switches off?

I have a internal combi oil Worcester greenstar heatslave 12/18 Its has a built programmer and Hot water t... [Read more]

Boiler fault?

I have a logistic combi 30 and it says f1 and no heating is coming on even no I have credit would like to no w... [Read more]

Potterton Performa 28i seems to have no power?

Hi all, my Potterton Performa 28i seems to have died completely - none of the status lights are on, the pilot ... [Read more]

Sp1 sp1sp3 errer ?

Hi I keep getting these codes come up and the boiler won't start Any help plase

rads warm up when hot water turned on vokera unica 36 he?

when dhw on rads heat up changed heat exchanger problem still there hot water takes longer to warm up

No triangle symbol on wall unit?

I recently changed the batteries in the wall unit, all seemed ok apart from the triangle symbol is not display... [Read more]

Boiler override if roomstat fails?

How can I run the boiler for heating if the roomstat fails? Is the some sort of override function on the boil... [Read more]

eco digital 831 manual request?

I have had Valliant Eco digital 831 installed in 2014. Unfortunately I was not given a copy of this manual. ... [Read more]

Sime boiler?

My boiler is not working at all I have no heating or hot water the pressure is down to 0 by wont come back up ... [Read more]

Vokera 29A controlled by heatmiser?

Having continuous problems with heatmiser control. Can mechanical control be fitted to boiler at reasonable co... [Read more]

Ariston Microgenus 23 MFFI PCB Defect?

Hi, I have the very common problem of the flame detector not knowing that the burning is alight. I know it ... [Read more]

halstead ace 47333 16 ace high?

centril heating coming on but hotwater green light not coming on also lockout light not coming on no hot water

lost water pressure & boilerwill not heat water or heating ?

lost water presser & now boiler will not start up mistral oil comb boiler any ideas ?

combi boiler halstead ace high?

halstead ace high lockout red light does nit come on also hot water green light does not come on heating is st... [Read more]

how can I fix waterheater?

The water is not as hot as before is warm when showering. Wash a few dishes in sink hot and not as hot for dis... [Read more]