Mend > Home Heating Systems

puma 80e boiler?

boiler comes on ok in heating mode but when the flame goes out it dose not come back on until I switch the boi... [Read more]

pressure and heating keeps going off?

my boiler keeps loosing pressure and going to 0 there is no leak in the house and no water coming out the pipe... [Read more]

how can i fix my seimens RDH10 wireless unit?

Just had a replacement RDH10 sender and receiver but the sender doesn't send a message to the receiver to stop... [Read more]

Halstead ace boiler timer not working?

I have tried using the timer system but it doesnt seem to work. The clock doesnt rotate or anything. Have i go... [Read more]

Halstead ace boiler timer not working?

I have tried using the timer system but it doesnt seem to work. The clock doesnt rotate or anything. Have i go... [Read more]

How can I release a stuck pin?

I am having trouble with an old Danfoss valve. Hot water will not flow into the Radiater. The pin is stuck. ... [Read more]

Danfoss RA 2000?

I can't seem to remove the RA 2000 knob. It is turning without gripping on anything. Any idea what to do? The ... [Read more]

where can i get a new battery for my rwb200 heating controler?

where can I get a new battery for my rwb200 heating controller . The old battery is marked varta 2/v 60R 2.4 v... [Read more]

is it possible to repair a non digital Drayton SM2 timer?

2 of the 4 on/off markers are loose and not bringing on the boiler and getting in the way of the 'clock' face ... [Read more]

How to replace a ICI Caldaie Solar 96E diverter valve diaphragm?

I have a slow leak from one of the screws heads at the bottom of the diverter valve. I have ordered a new diap... [Read more]

Boiler runs not then cold cannot get constant temperature?

Have a fault with a isar he 30 boiler runs hot and cold all the time was told it was the diverter cartridge s... [Read more]

how do i fix my vokera compact 29?

hi my boiler is heating up rads but when it gets up to temp switches over to a tap sign and heating doesn`t co... [Read more]

Can I find a replacement circuit board for a jensan halogen heater?

Is it possible to replace the circuit board for a jensan halogen heater

Fix Error Code E133?

What is the error code E133 ?

fix my boiler?

how do I get boiler to fire up after running out of oil

Hot Water but No Heating?

I have a Potterton Performa Eco HE. I have hot water but no heating and cannot find the magical red button ... [Read more]

Can I reset the thermostat?

Charges up ok but have to put thermostat on 7 for it to discharge heat , but cuts out after only a few minutes... [Read more]

My vokera boiler won't start I can here the pressure switch make ?

My vokera boiler won't start I can here the pressure swith click but it still won't ignite

How to fit new prv to Remeha Avnts plus?

I need to change pressure relief valve on Remeha avanta plus please advise method

Baxi Bermuda back boiler 551?

how to fix the furnace(no flame), the pilot light is on,the timer and thermostat are on