worcester heatslave 20/25

I have noticed that the pump on a Worcester Heatslave 20/25 Oil Boiler fitted in a house I have recently purchased runs continuously, even when the heating and hot water are not being used, causing any radiators without a TRV to stay hot 24x7. The only way to turn off the pump is by setting a...

Hi all, if anyone can help here I'll be over the moon... We have a 10 year-old Heatslave oil combi boiler with persistent no heating/long delay before heating comes on. Hot water perfect. We have a maintenance contract with Worcester and *they* can't fix it! The service guys have been here...