Mend > Home Heating Systems

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how can I fix my boiler?

Glow worm burn fuses on PCB all the time what is wrong?

how to remove top myson rad valve ?

i have a myson radiator valve it is at least 10 years old it has two lugs underneath the top cover that pull o... [Read more]

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i have a fault with my sabre he combi boiler?

I have a sabre combi boiler wont stay lit changed pressure switch still goes out can you help

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central heating problem?

how do you alter the water pressure on my ferroli optimax he plus 31 c boiler

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central heating problem?

how do you alter the water pressure on a ferroli optimax he plus 31 c condensing combination boiler

siemens rdj 10rf?

i have tried all ur solutions to reset my controller but have no joy at all i cant even get a flashing light o... [Read more]

hi all, replaced my hw diaphram on my halstead acehigh,?

Hi all, replaced my hw diaphram on my halstead acehigh boiler, replaced pipes , etc but now have water drippin... [Read more]

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Dimplex storage heater overheating?

Hello everyone, An electrician came to check my storage heater which was not working for 2 years. He bypa... [Read more]

halstead boiler?

how do i fit a water diaphram for halstead ace boiler as only have hot water when ch is on could you please se... [Read more]

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How do i increase the water pressure on a vallient Eco Tech plus?

I have a Vallient Eco Tech Plus. The water pressure droped on it to 0. How do i increase it, i was told by t... [Read more]

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how do i fix my ariston eurocombi boiler?

boiler was switched off a few months ago after red warning light came on,i have now plugged the boiler in yet... [Read more]

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how do i fix my worcester bosch?

Just had a new diverter valve fitted to my worcester bosch boiler but the over heat button still trips when ... [Read more]

What does F12 fault mean on glowworm boiler?

My glowworm cxi has flashed up with an F3 then an F12 fault, how can i fix it and what does it mean?

replace a new pump ?

how do i replace a new pump on a saunier duval SD 623???

Ferroli timer problem?

When I set the timer on my Ferroli combi it will come on intermittently. It will either not come on in the mor... [Read more]

Ferroli Boiler HE 38C/Heat exchanger?

DHW Run's hot and then goes cold? I have a Ferroli Opimax HE 38C 4 years old, When I turn ON DHW run's hot a... [Read more]

minor 1 burner locks out?

5 year old minor 1 oil burner locks out after 5mins of combustion.Engineer purged oil line,adjusted pressure c... [Read more]

Genus a77 fault?

Keep getting a77 fault on micro genus boiler. The condensate trap keeps filling. Thanks Nick for you earlier r... [Read more]

the second time in less than a year?

I have a worchester 30cdi boiler conventional, the temperature sensor is been replaced twice is this a comon f... [Read more]

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what is mean pcb please ?

we have the same problem but we dont know what is mean pcb