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home Fix label Heating label_important Home Heating Systems category Worcester

why does my boiler fire up on its own?

I have a worcester greenstar 28ijunior boiler and every so often it fires up on its own(ch not on, no hw demand) and runs for about 1 minute then stops, why is this?
tom staples, May 2009
home Fix label Heating label_important Home Heating Systems category Worcesterdone
Probably its hot water pre-heat function.

Take a look and see if the "Eco" button is lit up. If not, press and hold for a few seconds then let go. When Eco is lit, the pre-heat is disabled.

Bunslinger, May 2009
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