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Mend Worcester Heatslave Hello

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We have 192 questions about mending 'worcester heatslave hello'

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Mend Heating, Home Heating Systems

worcester heatslave 12/14 no hot water?

Instructions state to press reset button found under panel however cannot find the reset button. Can any body ... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 15/19?

i have hot water which is boiling but have no central heating. what is the problem?
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

faulty boiler no one can cure worcester heatslave 15/19 combi?

my boiler is losing pressure and no one can get to the bottom of it !! overnight the pressure drops to virtu... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

Manual for Worcester Heatslave?

Does anyone know where we can get a manual for the Worcester Heatslave 15/19 as we have moved in and there is ... [Read more]
Mend Heating, Home Heating Systems

Worcester 15/19 heatslave oil boiler 4 years old ?

Been away for 5 days, above heating (boiler feels warm in cupboard) igniting but no hot water or central heati... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 15/19?

hello all please help. we have the above boiler and are have a problem the pressure is at 4bar and has been fo... [Read more]
Mend Heating, Home Heating Systems

Worcester heatslave 15/19 run out of oil, do i need to prime?

Hope someone can help, ran out of oil the other day. Just had a full tank delivered but the boiler doesn't wan... [Read more]
Mend Heating, Home Heating Systems

How do I change a heat exchanger in a Worcester Heatslave 15/19?

Do I need to drain full system.
Mend Heating, Oil Filled Radiators

Worcester Heatslave 20/25 Lockout Light on?

Hi my lockout light came on on my boiler, I had run out of fuel totally! I have filled my oil tank to the top... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Oil Filled Radiators

can i fix it?

I have a worcester 20/25 heatslave oil boiler,and have run out of oil. lockout has come into force, and does e... [Read more]
Mend Heating, Oil Filled Radiators

How can I fix my Worcester heatslave 12/14?

Our boiler packed up in the night and when we went to check it the temperature gauge was right up. We topped... [Read more]
Mend Heating, Home Heating Systems

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 Heating, Home Heating Systems

water pressure?

hi just tried the valve on vessel just air came out, any thing else would be helpful,i have worcester heatslav... [Read more]
Mend Heating, Oil Filled Radiators

Heatslave 20/25 is Locking out?

My Worcester Bosh Heatslave 20/25 oil combi has just locked out and despite numerous resets won't fire back up... [Read more]
Mend Heating, Oil Filled Radiators

replacing water pump?

i want to replace the water circulation pump on my worcester heatslave 20/25 oil fired, it has a bosch pump .c... [Read more]
Mend Heating, Home Heating Systems

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, Home Heating Systems

Worcester heatslave low hot water pressure. ?

I have an old heatslave combi. The heating side works well but the hot water flow rate is low. Any ideas? ... [Read more]
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