How to mend ... Heatslave

how do regain pressure ?

how do i regain pressure with my worcester greenstar heatslave 18/25

worcester heatslave 12/14?

relay 2 on the pcb is playing up.is it possible to replace that relay or will i have to buy a new pcb?

lock out problem with heatslave oil boiler?

I have a worcester greenstar heatslave 18/25 oil boiler. Its aprox 4 years old and is driving me and my engine... [Read more]

I have an oil Worchester heatslave which is gravity fed central heating ?

and is not pressurised at the moment although I would now like to convert it over and fit a filling loop. It h... [Read more]

Oil fired worcester bosch heatslave boiler not igniting?

After 3 hour power loss/low voltege (84v) boiler would not ignite. Checked fuses, ok. Pressed both reset butto... [Read more]

worchester heatslave ?

It has locked out what action is required to fix this problem? Lyn

hot water but no central heating on heatslave 18/25?

we had a pressure problem now we have ridiculously hot water but no radiator heat

Worcester Heatslave 20/25 5 amp fuse blows?

My old Worcester oil boiler has started blowing the small 5 amp fast fuse.If I isolate the wiring going to the... [Read more]

Lockout?

I have a Worcester Bosch heatslave 20/25, 7 years old, serviced every year. Boiler has stopped working, no ... [Read more]

worcester bosch heatslave 15/19?

My boiler is blowing black smoke from the exhaust vent. Any suggestions as to cause and cure welcome.

Heatslave 15/19 Lockout indicator light?

Where is the reset lockout indicator light on the burner control box for my Heatslave 15/19? I've opened the f... [Read more]

how do you tell if the pump isnt working worcester heatslave?

two rads not receiving hot water could it be the pump?

Turning stop cock off when ch programme is on on holiday?

I have a Worcester Heatslave combi oil boiler 20/25 When I go away on holiday and leave just the programmed ce... [Read more]

boiler has stopped working and the lock out light is lit?

My boiler has just stopped working and the pressure was way down and the lock out light is on. I have increase... [Read more]

instructions needed?

I need instructions for setting a worcester heatslave oil burner slhs15-19

how do i replace the heating thermostat worcester 20/25?

Boiler thermostat for worcester 20/25 heatslave combi boiler has just broken. it goes round all the way and do... [Read more]

how to fix oil leak?

my worcester heatslave 15/19 oil boiler has started to leak oil from the pressure adjustment screw on the oil ... [Read more]

15\19 heatslave hot water?

I have a 15\19 heatslave boiler we did not use it for a time when i put it on the central heating was fine but... [Read more]

Why does my Heatslave DHW run cold on low flow?

My Heatslave 20/25 has always had a tendency to stop delivering hot water when a tap is running slow. It is fi... [Read more]

how do i increase the pressure on my heatslave?

no hot water or heating - no heating noise from tank - think the pressure is to o low but cant increase