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I have a Worcester Heatslave Combi. It's the 4th I have had in various houses and they have been reliable. The wet system has a combination of 15mm and 10mm pipework and I desludged the system last year and accidentally left the system live so it fired up without water! Clearly the pump got...

When I fired the boiler up to hear the noise and describe it on the forum it was typically rather quieter than normal. I therefore held a screwdriver to the water pump then the fan housing and put my ear to the other end to try and pinpoint the source. When on the water pump - nothing. When on...

Hi I have a Worcester Heatslave oil boiler 20/25 and the boiler is sometimes noisy. Runs fine but I would like to solve the noise and ensure when I am working away the family don't get stranded. Initially I suspected the water pump because the problem started when I forgot to turn the...

I have moved into a house with a Horstmann Channel Plus Programmer series 1 H21/H27 XL, Worcester Heatslave 20/25 oil fired floor mounted boiler and a conventional two pipe rad system. The boiler probably replaced a previous unit hence the current mis mash!. There are rads fed from a pumped...