Mend > Home Heating Systems

main combi 24 HE ,green light flashing, not firing?

I have a main combi 24HE approx 3 years old , green light is flashing. not steady as usual, not even attempti... [Read more]

Danfoss REP230 Thermostat Wiring?

Long story short, I have the above thermostat and had an installer try to replace it with the new NEST thermos... [Read more]

How can I be sure that my HE15 boiler needs a new circuit board?

The plumber said my 6 year old HE 15 boiler needs a new circuit, according to the plumber - how can I be sure ... [Read more]

how can i fix pilot light?

pilot light flame to low how to adjust it 10 year old w275 bosh boiler

overide button not working?

My Digiatat RF1works on and off on its normal time settings but the overide button has no effect any ideas re... [Read more]

l and f flasing on isar he24 boiler?

Turned the water and boiler off when we was going away, worked fine beforehand, on our return started it up, a... [Read more]

eurocombi ariston A/27 mffi thermostat?

hi i wonder if u can help me , my thermostat is staying on 70 all the time when i run the hot tap it goes up t... [Read more]

Pressure rising to high ?

Hi. I have a Worcester 24i junior combi boiler and the pressure is rising all the time and the water is runnin... [Read more]

Baxi Combi 80Eco?

The problem we have with our boiler is that after every time the hot water is used from the tap the boiler is ... [Read more]

Help me fix my glow worm 30 cxi?

Where exactly is this majic red button i keep hearing so much about ive recently spent over 300 quid having al... [Read more]

how can i fix my burner logic heat 15?

my burner showing code l2 tried the reset switch did not work what do I need to do

How can I fix my morco super compact feb24euk LPG boiler?

Only get hot water if hot tap is fully open if you try to reduce water flow boiler shuts off. If central heati... [Read more]

How can I fix my Sabre 28?

I have incomplete combustion,gas supplier. Replaced governor, still making loud banging noise periodically whe... [Read more]

I have Drayton 1 if the controller isn't working ?

I have Drayton rf1 can I just replace the controller or would I have to replace both controller and receiver? ... [Read more]

Why does my Trianco Eurostar oil boiller not run the hot water system?

I have a 15 year old Trianco Eurostar oil burner with a built-in Horstmann timer and additional hot water tank... [Read more]

How can I fix my Main Combi 30HE boiler?

The domestic hot water system is not operating properly as it heats the water to the right temperature when yo... [Read more]

Ferroli Optimax plus HE 31 C?

I pressed reset and held button down, now can't get boiler working It just flashes F 47 Read somewhere that ... [Read more]

Heating?

How do I change my pressure relief valve on a vaillant combimax ?.

cleaning the system?

I wish to add cleaner/desludge my radiators in the summer, wishing to circulate the water, without the boiler ... [Read more]

the boiler heats the water but none is sent to tap or radiators?

after replacing the flow switch and diverter valve assembly complete I still have the same problem . the boile... [Read more]