How to mend ... Heatslave

Fix my Worcester Heatslave 20/25 oil boiler?

Worcester Heatslave 20/25 boiler 10 years old - over heating the domestic hot water, dangerously hot despite a... [Read more]

How do I fix my Worcester Heatslave 20/25 combi?

If I run the hot water for a few minutes the temp drops to about 20 degrees, I've turned up the dhw thermostat... [Read more]

where is it ?

Where is the re set button on my Worcester Greenstar Heatslave boiler??

Worcester Oil heatslave 20/25 rads coming on when selected off position?

I have a Worcester Oil heatslave 20/25. Have selected heating to off position & water to on position as norma... [Read more]

Heating Problrm?

Hi,I have a heatslave 20/25 Combi boiler,Diverter valve was changed as went faulty. since then have no heatin... [Read more]

Worcester Heatslave Oil Boiler?

Boiler light is on,water pump runs but boiler will not initiate firing sequence when either hot water or heati... [Read more]

i have an heatslave 20/25 oil combi?

our heatslave 20/25 oil combi boiler seem to start but we are getting no hot water and no heating. i have pr... [Read more]

worcester heatslave 9.24?

my boiler will not stay lit .the pilot light willnot stay on. i,ve replaced the thermocouple.

replace water tank heatslave 20/25 boiler? its leaking?

Is it possible to replace the water tank? I have limited side access' so is it possible to pull out from front... [Read more]

Worcester heatslave 15/19 Hot water not working?

My raidiators and hot water are not working either. If I turn the hot water on I can hear the flow switch clic... [Read more]

How can I fix my Worcester Heatslave 12/14 Combi?

Woke up this morning with hot radiators but there is no hot water coming from any of the taps. When asking th... [Read more]

worcester heatslave sparking running on?

Hi my Worcester Heatslave 20/25 burner cuts in & out. The motor runs OK, the start sequence is OK in that moto... [Read more]

Replace bath tap inner valve, combi boiler? Worcester heatslave 12/14?

Hi, I want to replace a loose tap inner valve, Can I turn off main water supply to house with a combi boiler? ... [Read more]

Do i need to bleed fuel pump on a heatslave 26/32?

I recently ran out of fuel, on a heatslave 26/32, after refilling, i bled fuel back to the pump, but the burne... [Read more]

How do i bleed my oil burner?

I have a worcester heatslave 25/32 oil burner that ran out of oil can anyone please tell me where the bleed va... [Read more]

Worcester heatslave 20/25 leak from valve?

Hello! A complete novice when it comes to boilers, so bare with me! I've got a Worcester heatslave 20/25 and t... [Read more]

How to fix heatslave 20/25?

Boiler on lockout had water in oil sorted that and bled boiler but now no oil coming through burner

How to fix my boiler?

I have a Bosch-Worcester Heatslave 12-14 combi boiler, and it is not firing on demand although we do have some... [Read more]

heatslave trips out?

My Worcester Heatslave 15/19 burner light trips out.have to increase water pressure via filling loop to get b... [Read more]

my new boiler smells horrible?

the boiler has caused a noxious smell since it was installed last nov. I have called out the firm twice about ... [Read more]