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Mend Worcester Heatslave Hello

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We have 192 questions about mending 'worcester heatslave hello'

How to mend ... Worcester Heatslave Hello

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Mend Heating, Home Heating Systems

replacement hot water dial for Worcester bosch heatslave 20/25?

HI does anyone know where I can buy a replacement hot water dial for Worcester bosch heatslave 20/25. thanks
Mend Heating, Home Heating Systems

Worcester external condensing combi won't fire up?

Water supply was off for several hours, now my oil Worcester green star heatslave external 18/25. won't fire u... [Read more]
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heatslave 15/19 myself?

can I fix flow switch on worcester 15/19 heatslave myself
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worcester heatslave 20/25 rso oil boiler?

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

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]
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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]
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Boiler seems to be running cooler?

We have a Worcester Heatslave 20/25 boiler and it has been fine so far with regular maintenance. when the hea... [Read more]
Mend Heating, Home Heating Systems

Problem with Worcester Heatslave 20/25 Programmer?

I have had three programmers fitted to my system for one reason or another. This one seems to be causing the ... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave noisy bang when turning on hot water?

Hi Have a Worcester/Bosch Heatslave Oil combi boiler. When I turn on any hot water tap in the house there is a... [Read more]
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Worcester heatslave 20/25?

I have a Worcester heatslave 20/25 - it fires up for about 30 - 60 seconds then locks out - anyone any ideas??
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Boiler lockout after power cut?

Following a power cut my Worcester Heatslave 20/25 is on lockout. Oil burner will not ignite, would a power c... [Read more]
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Fix my Worcester Heatslave 20/25 oil boiler?

Worcester Heatslave 20/25 boiler 10 years old - over heating the domestic hot water, dangerously hot despite a... [Read more]
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How do I fix my Worcester Heatslave 20/25 combi?

If I run the hot water for a few minutes the temp drops to about 20 degrees, I've turned up the dhw thermostat... [Read more]
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where is it ?

Where is the re set button on my Worcester Greenstar Heatslave boiler??
Mend Heating, Oil Filled Radiators

Worcester Oil heatslave 20/25 rads coming on when selected off position?

I have a Worcester Oil heatslave 20/25. Have selected heating to off position & water to on position as norma... [Read more]
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Worcester Heatslave Oil Boiler?

Boiler light is on,water pump runs but boiler will not initiate firing sequence when either hot water or heati... [Read more]
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worcester heatslave 9.24?

my boiler will not stay lit .the pilot light willnot stay on. i,ve replaced the thermocouple.
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Worcester heatslave 15/19 Hot water not working?

My raidiators and hot water are not working either. If I turn the hot water on I can hear the flow switch clic... [Read more]
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How can I fix my Worcester Heatslave 12/14 Combi?

Woke up this morning with hot radiators but there is no hot water coming from any of the taps. When asking th... [Read more]
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worcester heatslave sparking running on?

Hi my Worcester Heatslave 20/25 burner cuts in & out. The motor runs OK, the start sequence is OK in that moto... [Read more]
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