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937 Expansion Vessel 181051 -
POTTERTON PERFORMA 24 ECO HE (SECONDARY HEAT EXCHANGER)
Baxi Hydraulic Outlet Assy Kit 248061/7224344
VAILLANT ECOTEC PLUS 612 615 618 624 630 637 SIPHONIC CONDENSATE TRAP 180985
Ideal 173967 Diverter Valve Cartridge Kit BNIB (I3) and D9 main 937 Expansion Vessel 181051 -Ideal 173967 Diverter Valve Cartridge Kit BNIB (I3) and D9. Condition is "New". Product Information: This part is based around the diverter valve section. The diverter valve is directional water device that only appears in combi boilers. It allows the hot water to be sent to the heating system (radiators, etc.) or to the DHW system (taps, etc.). This feature is what seperates a normal boiler from a combi boiler due to the fact the boiler can provide