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We have 247 questions about mending 'heatslave'

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Mend Heating, Home Heating Systems

Worcester Heatslave Combi 15/19 boiler keeps cutting out?

Hi I'm hoping someone can help solve the mystery as to why my boiler keeps cutting out. The problems start... [Read more]
Mend Heating, Home Heating Systems

Heatslave 15/19?

boiler is on lockout, i have checked instructions and found a small red button under the front cover, i have p... [Read more]
Mend Heating, Home Heating Systems

heatslave12 14 spewing blck smke & smels, tnk ws empt, jst fild nev B4 smok?

My heatslave 12 14 is spewing black smoke and smells like paraffin, the entire house filled with smoke but fro... [Read more]
Mend Heating, Home Heating Systems

heatslave 18/25 not firing oil?

my boiler is not firing i ran out of oil not realising. The oil has now been filled up but the boiler will not... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave 20/25 Combi-boiler?

Our Worcester heatslave 20/25 combi-boiler seems to have a mind of its own. The hot-water sometimes takes age... [Read more]
Mend Heating, Home Heating Systems

How can l resolve problem?

WORCESTER HEATSLAVE 20/25 0IL COMBI Water pressure drops and will not rise, pump starts to make noise. To k... [Read more]
Mend Heating, Home Heating Systems

no lights on front of worcester heatslave 15/19?

just gone in to switch heating on no lights on front of my worcester heatslave 15/19 checked house fuses o.k. ... [Read more]
Mend Heating, Home Heating Systems

worcester bosch heatslave 20/25 pressure high and overflow active?

when hw and or ch is selected pressure rises past 3 bar and the overflow is active. when turned off pressure ... [Read more]
Mend Heating, Home Heating Systems

worcester bosch 26/32 oil boiler + solar?

I have fitted thermal solar system to my oil combi heatslave 26/32. I have used a combi valve that directs any... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave?

my worcester heatslave 18/25 system-one of the radiators we frequently have to bleed, as it goes cold,and then... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 15/19?

my heatslave 15/19 is playing up its serviced every year and the boiler man said its a good boiler, anyway i n... [Read more]
Mend Heating, Home Heating Systems

Heatslave 15 19 burner not igniting on hot water demand?

According to the manual, the burner should come on under hot water demand. Mine doesn't unless the shower temp... [Read more]
Mend Heating, Home Heating Systems

how to restart my worcester heatslave after running out of oil?

how to start my worcester heatslave combi boiler after running out of oil
Mend Heating, Home Heating Systems

Worcester Bosch Heatslave 25/32 Combi Oil?

Worcester Bosch Heatslave 25/32 Combi Riello Burner, First off we bought this boiler about a year ago and move... [Read more]
Mend Heating, Home Heating Systems

Hi I have a worcester combi boiler heatslave 15/19 and its not firing up at?

all -pressure is on 1 bar (same as normal) I might need to clean the photo cells (or so i'm told) but need to ... [Read more]
Mend Heating, Home Heating Systems

Smell of oil from Worcester Heatslave 12/24?

I am experiencing a smell of oil from my boiler, particularly obvious in the mornings when entering my kitchen... [Read more]
Mend Heating, Home Heating Systems

worcester heatslave 12/14 central heating but no hot water?

worcester heatslave 12/14 the central heating is working but there is no hot water,
Mend Heating, Oil Filled Radiators

run out of oil- bleeding oil system?

We have run out of oil and now have air in the oil system. I have a WOrcester 12/14 Oil Heatslave system.
Mend Heating, Home Heating Systems

Worcester Heatslave 20/25 problem?

Worcester heatslave 20/25 oil combi boiler 8 years old problem as follows, with hot water only selected o... [Read more]
Mend Heating, Home Heating Systems

Worcester Heatslave Leaking?

Same problem as Andy - problem with the low pressure, had to keep topping up the system - now found water lea... [Read more]
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