Mend > Home Heating Systems

Worcester boiler 35CDi?

What can be wrong with my boiler? I first noticed a problem when my shower began running hot then cold, hot th... [Read more]

Eurocal oil fired boiler - HOT water no heating?

i have hot water but the heating wont come on i turned the boiler power off for a week when we went on holida... [Read more]

heatslave 15/19 myself?

can I fix flow switch on worcester 15/19 heatslave myself

Bmu err shown on thermostat glow worm boiler shown f4?

Bmu err shown on thermostat f4 shown on actual boiler what does this mean

Morco super compact feb-24ed f5?

My caravans boiler is now displaying f5. I just filled the hot water circuit after draining down for the winte... [Read more]

worcester heatslave 20/25 rso oil boiler?

is the circulating pump in operation when in hot water mode,ie heating turned off.

ariston boiler problems?

what causes the error code E 34 to show?

Why does pressure keep rising to 3 bar on Worcester Heatslave 20/25?

I have a 20 year old Worcester Heatslave 20/25. The heating and hot water are switched off. The pressure gauge... [Read more]

Biasi activ A 200V?

what causes clear water leak over night

logic combi 30 shows f3 fault?

been working ok all winter until yesterday when i switched the whole boiler off. i'd only done this because ... [Read more]

Main Eco 28 133 error?

Had 133 error code come up. Nothing doing when trying to reset. Shut whole thing off at mains, took fascia o... [Read more]

Worcester 28si 11?

I've changed psb and fan,when I switch boiler on red light flashes straight away with CH off and not calling f... [Read more]

boiler leaking , driping ?

the promblem i have is that water is dripping from the bottom of the boiler , and i have to keep bleeding the ... [Read more]

Danfoss RA 2000 thermostatic Radiator Valve Wont shut off?

When turning the thermostat all the way down to off position it wont shut off and continues to heat. Do I need... [Read more]

feb 24e?

I have a morco 24e the hot water has no problems, c/heating the pressure must be at 2.2, it will then stay on ... [Read more]

I have a 30hxi and it shows F3 on the panel. The week before it was making?

I have a 30hxi and it shows F3 on the panel. The week before it was making a funny grinding noise. Could thi... [Read more]

Worcester heatslave 20/25?

Hi, I have been having a problem with my heating for some months now but very intermittent, occasionally the h... [Read more]

remeha avanta combi?

My boiler is showing a number 8 all the time, hot water is fine but no central heating. Any help?

ISAR m30100 won't stay on for the CH. ?

Hi all, having a problem with my ISAR m30100, I have hot water but it won't stay alight for the CH. The thermo... [Read more]

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]