Worcester Flow Turbine Adapter 8716122264

Worcester 8716122264 Replaces 87161064330

The Worcester Flow Turbine Adapter (Part No. 8716122264) is a genuine OEM (Original Equipment Manufacturer) hydraulic component designed for Worcester Bosch Greenstar combi boilers. This adapter serves as the critical interface between the flow turbine (which detects hot water demand) and the boiler's plastic hydraulic block. It is engineered to provide a watertight transition point, ensuring that the domestic hot water (DHW) sensor can accurately monitor flow rates to trigger the burner.

Key Features and Specifications
Precision Hydraulic Fit: Designed to house the flow turbine securely, ensuring that water passes through the internal paddle at the correct velocity for accurate sensing.

Durable Construction: Manufactured from high-grade, heat-stabilized polymer to withstand constant exposure to mains water pressure and thermal cycling.

Genuine Worcester Bosch Part: Guarantees perfect alignment with the internal pipework, preventing the "bypass" issues or leaks common with non-genuine alternatives.

Integrated Sealing Points: Features specific grooves for high-quality O-rings to ensure a permanent, leak-free seal within the hydraulic assembly.

Serviceability: Designed to allow the flow turbine to be inspected or replaced without needing to replace the entire hydraulic manifold.

Boiler Compatibility
This adapter is a staple component in the DHW (Domestic Hot Water) circuit of the Greenstar combi range. Compatible models include:

Greenstar i Junior: 24i Junior, 28i Junior.

Greenstar Si: 25Si, 30Si.

Greenstar CDi (Classic): 25CDi, 30CDi, 35CDi, 40CDi.

Greenstar i (Early Versions): Certain iterations of the 24i and 28i series.

Technical Tip: If your boiler fails to fire when you turn on a hot tap, but the central heating works perfectly, the issue is often located in this section. Debris or limescale can settle in the adapter, preventing the flow turbine from spinning. When replacing this adapter, it is highly recommended to also replace the associated O-ring (87161138330) to ensure a watertight repair.

Maintenance and Installation Advice
Replacing the flow turbine adapter requires the mains water inlet to be isolated and the boiler's domestic hot water circuit to be drained. Because this part is often located near electrical components, extreme care must be taken to prevent water ingress into the PCB or wiring. A Gas Safe Registered engineer should perform this repair to ensure the hydraulic integrity of the appliance is maintained.

Essential Companion Products
To ensure a complete and professional repair of the flow sensing circuit, the following genuine Worcester parts are frequently required:

The Sensor: Worcester Flow Turbine - 87161072230

Watertight Seal: Worcester O-ring - 87161138330

Wiring Security: Worcester Clip Wire Flow Connector - 87161483490

Hardware: Worcester Retaining Nut - 87161066830

Specialist Support and Local Collection
Are you experiencing intermittent hot water or a total loss of DHW demand? Our trade counter team can help you verify if the adapter or the turbine itself is the cause of the fault.

Visit our trade counter and Bathroom Showroom at 61 Fullers Road, E18 2QB for expert technical advice and immediate access to genuine Worcester Bosch spares.