Worcester 87377046110 Diverter Valve Motor Assembly – Brand New

The Worcester 87377046110 Diverter Valve Assembly is a genuine Worcester Bosch replacement component designed for selected Greenstar and Heatslave II boilers.

The diverter valve directs heated water between the central heating circuit and the domestic hot water system. A faulty valve may cause heating or hot water problems, reduced performance or incorrect switching between the two functions.

Replacing a worn or damaged diverter valve assembly can help restore reliable boiler operation and efficient water flow.

Compatible Boilers

Worcester Greenstar CDI Compact Series

Worcester Greenstar i Series

Worcester Greenstar SI Compact Series

Worcester 400 / 500 Compact Series

Worcester Heatslave II Series

Compatible with selected Heatslave II 12/18, 18/25 and 25/32 models, including ERP, ERP+, External and 2022 variants.

Please note: Before placing your order, check that your existing part matches manufacturer part number 87377046110.

Worcester Boiler Spares

For other Worcester-related products, please follow the relevant Worcester Spares link.

For Worcester replacement fans, please use the Worcester Fans link.

To browse Worcester PCBs, please follow the Worcester PCBs link.

For Worcester replacement pumps, please use the Worcester Pumps link.

Prices: Please note that all prices are inclusive of VAT.

Returns and Delivery

At Heating and Catering Parts, we aim to provide the best possible customer experience. However, we understand that a product may occasionally not meet your expectations or requirements.

For this reason, we offer a comprehensive 30-day return policy. Please read our full Return Policy for further details.

Orders received by 3:00 p.m. EST, Monday to Friday, are usually dispatched on the same day. We take pride in providing a fast and dependable service and will make every effort to ensure your package arrives safely.

Please note that weekends are not included in our next-day delivery guarantee. Next-day delivery for orders placed on Fridays will take place on the following Monday.