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Mend Hot Water Boiler Fire

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Mend Heating, Home Heating Systems

Siemens RDH 10 RF Thermostat not triggering heating?

I have Siemens RDH 10 RF Thermostat and a Worcester Bosch Greenstar 30CDi combi boiler. The battery in the th... [Read more]
Mend Heating, Home Heating Systems

Vokera Maxin 28e combi boiler, DHW runs hot and cold?

A few months ago DHW temperature started to fluctuate mildly between hot and warm. This problem got worse so a... [Read more]
Mend Heating, Home Heating Systems

Not hot water?

Potterton Promax 15 SL With wall control PS2 dual channel control. Shows light heating timed Heating set ... [Read more]
Mend D.I.Y, Plumbing

Glow.worm ultracom 38 cxi showing f25 faultcode?

No heating or hot water as boiler showing f25 none of the buttons are responding or opening valves does not fi... [Read more]
Mend Heating, Oil Filled Radiators

Boiler cutting out before heating hot water ?

I have a problem with a fire bird combi the boiler heats up from cold but cuts out when the boiler get hot but... [Read more]
Mend Heating, Home Heating Systems

Glow-worm Hideaway will not fire up for hot water but the pilot is on?

Hi I have a Glow-worm Hideaway the pilot light is lit but the boiler doesn't fire up so we can have hot wat... [Read more]
Mend Heating, Home Heating Systems

why is my combi boiler not staying fired for central heating. water fine?

my Glow worm combi has been having odd days when the central heating isn't working but then has been ok again ... [Read more]
Mend Heating, Home Heating Systems

Faulty vokera boiler compact 25?

Hi this boiler is doing my head. I have no hot water or heating, sometimes the boiler will fire up if set low... [Read more]
Mend Heating, Home Heating Systems

Potterton Suprima Boiler 50 goes to lock out?

when cold boiler fires straight away- After it has been running 1/2 hr or so and is hot .if it is switched of ... [Read more]
Mend Heating, Home Heating Systems

Saunier Duval F35E will not fire up?

boiler has pressure, will not fire up for heating and hot water. the green light flashes and the pressure/temp... [Read more]
Mend Heating, Home Heating Systems

How can I fix my fertility boiler ?

My boiler.keeps flashing f5 and p1 and won't fire up so we have no hot water or heating

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