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Mend Heating, Home Heating Systems

ferroli optimax HE31C the digital display is saying 'no CN''? ?

We have no hot water or central heating, no other error code is displayed. I've turned off at the mains, press... [Read more]
Mend Heating, Home Heating Systems

worcester 28i rsf?

my hot water works when the central heating is on but not when you turn the heating off, anyone know why this... [Read more]
Mend Heating, Home Heating Systems

Siemens rcr10/433 how to restart it?

My central heating stopped working but boiler and transmitting unit both seem fine and still have hot water. T... [Read more]
Mend Heating, Home Heating Systems

Ravenheat heating thermostat transmitter does not work?

My Vaillant combi boiler provides hot water but the Ravenheat transmitter type thermostat has stopped working ... [Read more]
Mend Heating, Home Heating Systems

Potterton PRT2/ EP2002 C/H always on (unless at temp)?

I have developed a fault on my Potterton EP2002 Programmer following short circuiting and blowing a fuse. The ... [Read more]
Mend Heating, Home Heating Systems

isar he30 boiler problem?

NO central heating working, hot water works fine but no GCS ? Any help would be great thanks.
Mend Heating, Home Heating Systems

baxi 105e combi?

does any one know out there why does my boiler go hot and cold stays on for one minute then goes off central h... [Read more]
Mend Heating, Home Heating Systems

no hot water on my worcester 240bf?

Boiler lights up but have no hot water i have changed the diverter diaphram and can see the micro switch worki... [Read more]
Mend Heating, Home Heating Systems

boiler is banging& make big noise?

I turn my hot water &boiler is banging my central heating is on that time also boiler is banging
Mend Heating, Home Heating Systems

Potterton Programmer not controlling stat?

I developed a fault on my Potterton system as a direct result of trying to change the in room stat (Potterton ... [Read more]
Mend Heating, Home Heating Systems

new worcester 550I combi boler?

When the hot tap is opened fully the temp of the water increases until the boiler trips out .Worcester service... [Read more]
Mend Heating, Home Heating Systems

Glow-Worm 30cxi combi boiler. No hot water.CH ok?

Turning on hot tap produces 30 secs.tepid water, then permanent cold. Central heating fine. Pressure 1.5 bars.
Mend Heating, Home Heating Systems

I have a greenstar 25cdi gas condensing boiler. ?

The hot water temperature is'nt always getting hot. Never cold but sometimes lukewarm , sometimes hot? The c... [Read more]
Mend Heating, Home Heating Systems

problem with baxi 100he plus boiler pcb?

had my plumber round today to replace pcb on boiler h as he said other one had failed (no power to boiler mai... [Read more]
Mend Heating, Home Heating Systems

halstead eden cbx 32 no cenral heating?

halstead eden 32cbx wil not work in central heating mode .will only work when hot water has been left to run f... [Read more]
Mend Heating, Home Heating Systems

Ferolli optimax He31 c d1 fault code?

Hi there. I am showing d1 on the display of my ferolli optiamax 31c he boiler. I have hot water (which is now... [Read more]
Mend Heating, Home Heating Systems

MORCO feb 24 Boiler heats ok but locks out when temp reached?

I have a fault on my Morco feb24e boiler central heating - it's failing with fault code (no flashes) which say... [Read more]
Mend Heating, Home Heating Systems

Potterton Prima 80F - no hot water?

Help, my Potterton Prima 80 F has just started producing very luke warm water. The central heating system is s... [Read more]
Mend Heating, Home Heating Systems

Glow Worm Swiftflow 80?

Everything works properly when turning on Central Heating and or Hot water when getting in from work. However ... [Read more]
Mend Heating, Home Heating Systems

boss therm bps242rf Thermostat is not switching on my central heating?

After downloading the manual online (2 basic pages) I am none the wiser. Inside the Thermostat back cover are ... [Read more]

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