Mend > Home Heating Systems

is the problem the control board or the gas valve?

I have a Vulcan Powerhouse 100 gas heater, it won't start, on reset, green Led blinks 6 times, fault table say... [Read more]

is stuck fan a fire hazard on boiler? ?

Our boiler has been making loud noise which we have been advised by engineer sounds like the fan. Whilst waiti... [Read more]

Vokera boiler on constantly. Room stat showing unknown code. ?

I am getting a code on the Vokera room stat HRT-177RS that is not mentioned in the manual. Code is A84. Result... [Read more]

Is their a light to light if I turn heater off while I am away?

I am going away can I just switch boiler off, or will have to light it again

How can my boiler be fixed i main Medway 55/54 ?

My boiler will light but as soon as move finger of switch it goes out

Connections on Ferroli F24 Gas Valve?

Anyone know the connections and expected voltages on the gas valve VK4105G fitted on a Ferroli boiler. Mine is... [Read more]

How can I stop my Drayton digistat+2RF from staying on? ?

I have just moved into a new home and my heating keeps coming on when it is not programmed to. It comes on at ... [Read more]

how can i fix a leak to my baxi eco 80 boiler?

how can I fix a leak on my pressure differential valve it is leaking by the nut were the microswitch makes con... [Read more]

horstmann channel plus xl h37 displaying "?" Beside time?

Hi my horstmann channel plus xl h37 boiler control is displaying a "?" Beside the time when I put it on, does ... [Read more]

Vokera Compact cutting out?

Boiler is cutting out and very reluctant to reset. In the last 3 hours I've reset 20+ times - it fires up but... [Read more]

How to fix not firing up?

War flow combi oil boiler plumber turned of system and drained expansion tank( full of water) keeps loosening ... [Read more]

Wireless time clock broken?

Honeywell CM61 I think is the make and model and gas heating system. Can we just replace with a new clock or d... [Read more]

Ariston Boiler?

Have ariston boiler and orange light above an image under reset button has come on. No hot water or heating ..... [Read more]

boiler won't fire up?

after pressing the reset button, the boiler fires up for just a few seconds, then switches off again

Hot water intermittent Morco feb-24e?

On demand hot water intermittent. Central heating works normally. If hot water not available at tap, putting c... [Read more]

Cannon misermatic DL MAH 20166G?

Split pin broke in ignition. Will this part be included in the igniter assembly if I order it? British Gas e... [Read more]

Timer/programmer?

What timer/programmer would you advise to use with Aztec Boiler

Euro combi aristan ?

one min it's working now it's not it won't ignite so there is no hot water or heating tried everything

Valiant thermostat , BMU-Err ?

Vaillant thermostat and boiler with the error message on thermostat What do I do?

how to increase set temperature of drayton digistat 30002?

I can't increase the set temperature on drayton digistat 30002 thermostat higher than 19.5c