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Hi. Can anybody help? I have an Worcester Greenstar Heatslave boiler (2008) with an internal digital programmer which is playing up. The programmer has 3 programmable periods for both CH and HW but when I have tried to find a replacement with the part no (7716192033) there only seem to be units...

Hi. I've got a problem with a Worcester Greenstar oil boiler. Both the water and the heating are on timed mode and both are activated in the morning but only the hot water fires up the boiler. To get the heating to work I have to override to switch off the water and then the heating will work...