The Worcester Bosch open vent cover plate part is based around the diverter valve section. The diverter valve is a device that only appears in combi boilers. It allows the hot water to be directed to the central heating system (radiators) or to the domestic hot water system (taps).

Brand Name	Worcester Bosch
Colour	N/A
Material	N/A
Manufacturer Model No	87161002370
Wear Type	N/A
Type	N/A
Certifications Met	N/A
Country of Origin	N/A
Protects From	N/A
Waterproof	N/A
Number of Pockets	N/A
Compatible With	15SBI RSF Fan Flued, 240 BF Combi LPG, 240 BF Combi NG, 240 RSF Combi LPG, 28CDI RSF Combi NG, 28CDI RSF Combi LPG, 280 RSF Combi NG and 24SBI RSF Fan Flued NG
Waist Sizead25cd94gu	N/A