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Mend Heating, Home Heating Systems

How do i stop the time from flashing on the Siemens RDJ100RF?

How do i stop the time from flashing on the Siemens RDJ100RF unit

Mend Heating, Home Heating Systems

Flamerite Isis Fire?

i need a new mother board for my flamerite isis fire do you know where i can purchase one

Mend Worcester Combi Ignition

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

my worcester 30 cdi combi combi boiler wont fire up and ''ea'' keeps flashing? my worcester 30 cdi combi bo... [Read more]

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Mend Worcester Heatslave 20/25

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We have 53 questions about mending 'worcester heatslave 20/25' in category Heating, Home Heating Systems

How to mend Worcester Heatslave 20/25

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Mend Worcester Central Heating Fault

Worcester heatslave 20/25 fault with fan?

Hi, my boiler fan is running all the time, even when hot water / central heating is off. Everything else seem... [Read more]

Mend pressure tank problem

Pressure in Expansion Tank on Worcester 20/25?

Does anyone know what the pressure should be in my expansion tank on a Worcester Bosch Heatslave 20/25. Pro... [Read more]

Mend boiler heating replacement

Worcester Oil Heatslave 20/25 noise?

The boiler has been getting increasingly noisey over time, like something rubbing. My guess is the fan or moto... [Read more]

Mend boiler heating Worcester

why is lockout light on my boiler?

i have a worcester heatslave 20/25 oil boiler and the lockout light has come on and now the water will not hea... [Read more]

Mend boiler flue airflow

what type of terminal should i have on the flue for a worcester heatslave 2?

what type of terminal should i have on a vertical flue for a worcester heatslave 20/25 oil combi boiler, i hav... [Read more]

Mend boiler pressure loss heating system

Pressure keeps dropping?

Dear Sir I would be grateful if you could help me resolve a problem with my Worcester Heatslave 20/25 - RS... [Read more]

Mend boiler heating pressure

Worcester Heatslave 20/25 Oil Combi Boiler?

Help, Our Worcester Heatslave 20/25 boiler has been playing up again recently. Over the past 14 months we hav... [Read more]

Mend boiler radiators diverter valve

Worcester oil heatslave 20/25 about 4years old. ?

When i ask for hot water I get the pre-heated hot water but when this is exhausted it runs cold. The boiler st... [Read more]

Mend oil boiler heating system burner

Oil boiler will not restart after refilling the empty tank?

I have a Worcester Heatslave 20/25 boiler but we ran out of oil recently in error. The oil in the outside v... [Read more]

Mend Worcester Diverter Valve Heating

Hot water problem Worcester Heatslave 20/25?

The boiler fires up to provide hot water if a hot tap is used- even if the boiler control button for hot water... [Read more]

Mend heating Worcester domestic

worcester heatslave 20/25 oil boiler?

The boiler seems to be working fine but im not getting hot water from the domestic hot water. Any ideas whats ... [Read more]

Mend bleed air pump

Worcester HeatSlave 20/25 ?

How do you bleed air from the pump?

Mend Heating, Home Heating Systems

heatslave 20/25 programmer?

Does anybody know the worcester part number for the dual programmer?. OR where i can source one from?. Many T... [Read more]

Mend central heating boiler worcester bosch

worcester bosch heatslave 20/25 oilfired boiler?

when hot water or central heating are running bar pressure rises over 3 bar and overflow active . when unit l... [Read more]

Mend boiler heating pressure

worcester bosch heatslave 20/25?

bar pressure rises to 3 and overflow active when cold drops back to normal 1 bar

Mend years heating water

Worcester Bosch Oil Heatslave 20/25 two years old?

Can not get the central heating to work; the water pump does not seem to be running. Hot water fine. Had a lon... [Read more]

Mend boiler heating Worcester

does the heatslave 20/25 have a heat exchanger?

Hi, I have a worcester 20/25 oil fired boiler.Where is the heat exchanger, can it be replaced and how thanks ... [Read more]

Mend boiler pressure leak

worcester heatslave 20/25?

My pressure gauge keeps dropping and there is no heating or hot water. Re pressurised and there was a leak und... [Read more]

Mend pump pressure burner

worcester heatslave 20/25 cut out keeps comming on?

cut out keeps comming on pump working fine burner is also working presure goes up and down slight leak from re... [Read more]

Mend heating system thermostat

Worcester Bosch Oil Heatslave 20/25?

The boiler fires up OK, but there is no power getting to the water pump, so the thermostat cuts out after a co... [Read more]

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Mend heating radiators boiler

Worcester boiler dripping water?

Mend boiler heating worcester

How can I fix this problem?

Mend Worcester Combi Ignition

Worcester 30 Cadillac combi boiler won’t fire up and the EA?

Mend boiler heating greenstar

Worcester greenstar 25si compact?

Mend Worcester Bosch heating reset

Reset my worcester dt10rf programmer?

Mend worcester combi boiler

Worcester botch combi boiler?

Mend Worcester Greenstar Home Heating

Worcester green Star?

Mend Worcester Heating Thermostat

Boiler not working?

Mend Worcester Combi Heating

Worcester boiler problem?

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