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Mend Heatslave

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We have 247 questions about mending 'heatslave'

How to mend ... Heatslave

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Heatslave 20/25?

Quite often the pump on the boiler cuts out and so the central heating goes off. Click the room stat to off an... [Read more]

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]

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]

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

Do I need to drain full system.

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

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]

worcester heatslave 20/25 hot water but no central heating?

the central heating has just been turned back on on my oil fired heatslave 20/25 only to find it does not work... [Read more]

Worcester Heatslave 20/25 - can't locate lockout reset button?

Hi, Water pressure had dropped so lockout light came on. I have looked everywhere but can't find the reset... [Read more]

worcester heatslave 12/14 oil combi boiler firing intermitently?

My Heatslave 12/14 oil combi boiler is being very tempremental and has been for some months. It has locked ou... [Read more]

Worcester HeatSlave 20/25 ?

How do you bleed air from the pump?

worcester heatslave 15/19 combination oil boiler?

hi we have had no heating now for 3wks could anyone tell me whats wrong with my boiler i have hot water but no... [Read more]

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Mend Heatslave

How to mend ... Heatslave

Heatslave 20/25?

worcester heatslave 15/19?

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

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

Worcester Heatslave 20/25 Lockout Light on?

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

can i fix it?

How can I fix my Worcester heatslave 12/14?

Oil boiler will not restart after refilling the empty tank?

water pressure?

Heatslave 20/25 is Locking out?

replacing water pump?

Hot water problem Worcester Heatslave 20/25?

Worcester heatslave low hot water pressure. ?

worcester heatslave 20/25 oil boiler?

worcester heatslave 20/25 hot water but no central heating?

Worcester Heatslave 20/25 - can't locate lockout reset button?

worcester heatslave 12/14 oil combi boiler firing intermitently?

Worcester HeatSlave 20/25 ?

worcester heatslave 15/19 combination oil boiler?

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