The Worcester Bosch 87161138370 Greenstar siphon assembly is a genuine OEM condensate removal component designed for use in compatible Greenstar series boilers. This siphon assembly collects and directs acidic condensate produced during boiler operation into the condensate drain, preventing buildup that can lead to blockages, fault codes, or water damage around the appliance. Built to original equipment standards, it delivers dependable performance and helps maintain smooth boiler operation by ensuring effective condensate management.

This siphon assembly is compatible with selected Worcester Bosch Greenstar boilers that list part number 87161138370 in their parts documentation. Because compatibility can vary by model, production year, and condensate system design, it’s recommended to confirm suitability using your boiler’s exact model number and GC number before ordering.

Key features of the Worcester Bosch 87161138370 Greenstar siphon assembly include its genuine Worcester Bosch construction for assured quality and fit, effective condensate collection and discharge to support reliable boiler operation, robust design suited to routine wet-environment conditions, seamless integration into the boiler’s condensate management system, and dependable performance when installed by a qualified heating engineer.