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Mend Vaillant Boiler Heating F22 Error

valliant boiler wont fire up?

boiler tries to start green light then yellow then stops red light and green, f22 shows, filling loop had been left open so reduced to correct preasure but still just tries then stops. any help welcome.

Tony Allen
August 2010
VaillantHeating, Home Heating SystemsBoiler Heating F22 Error
f22 means no increase in pressure rise in boiler check pump

steve bh heating
September 2010

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Vaillant 282Vaillant 282EVaillant 824Vaillant 824EVaillant 837Vaillant combiVaillant combi boilerVaillant eco PLUSVaillant ecoMAXVaillant ecoMAX 824Vaillant ecomax 828/2eVaillant Ecotec 831Vaillant Ecotec Plus 428Vaillant Turbomax Plus 828EVaillant VCW GB 221 HVaillant VCW GB 242EHVaillant vcw242eVaillant VUW 242 EVaillant VUW 242EVaillant VUW242E

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