How to mend ... Heatslave

Worcester oil boiler - Heatslave 20/25?

My Lock Out Light is on and boiler is not working how do i reset this??

Lock out on worcester heatslave 20/25?

My boiler has locked out, The water pressure was a bit low so I have topped it up, tried to reset but no joy. ... [Read more]

1996 Worcester Heatslave 12/14?

Help. Can anyone tell me where the reset button is on the Old 1996 Worcester Heatslave 12/14

Bleeding the boiler after a lock out?

I allowed the oil level to get too low resulting in a lock out with 2 red lights. How do I reset and bleed th... [Read more]

Lock out light on Heatslave 20/25?

Have pressed reset button at top, light stays on. Ref. has been made to a second 'reset' button below expansio... [Read more]

12/14 heatslave . Fuel problem ?

Hi there have put in heatslave 12/14 oil boiler in house ( from another house) fuel getting through to pump, ... [Read more]

worcester heatslave 20/25 ?

agh we have good pressure, plenty of oil, not 'locked out' but won't fire up! Neither hot water or heating. ... [Read more]

Worcester heatslave 25 32?

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]

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

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]

heatslave 15/19 myself?

can I fix flow switch on worcester 15/19 heatslave myself

worcester heatslave 20/25 rso oil boiler?

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

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]

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]

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]

heatslave 9.24 no pressure / hot water?

I bleeded my rads whilst the heating was on which has caused issues with the boiler. it's now not working with... [Read more]

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]

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]

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??

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]