Vaillant 010003 Diverter Valve Screw display including the 12i

including the 12i

ECOTEC PLUS 615 VU156/3-5

Glowworm Boiler Spares FLEXICOM 24CX

Fits 1/2 ratchet without any extensions

Vaillant ECOmax 613 (2000-2001)

Vaillant 010003 Diverter Valve Screw display including the 12iVAILLANT 010003 DIAPHRAGM SCREW. Product Information: This part is based around the diverter valve section. The diverter valve is an instrument that only appears in combi boilers. It allows the hot water to be directed to the central 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 that a combi boiler wouldn't require a cylinder to provide heating and