Description Heating Components & Equipment Ltd are major suppliers of Johnson &Amp; Starley boiler parts, being a major supplier we only sell GENUINE Johnson &Amp; Starley boiler spare parts to the safety and performance specification of your heating appliance, giving you the confidence that you're only buying GENUINE Johnson &Amp; Starley spare parts for the maintenance and boiler repair of your Johnson &Amp; Starley Heating Boiler.