Description
WORCESTER 87186422110 VALVE 3-WAY SAIA W/O BYPASS GREENSTAR 24 FSN GB
The Worcester 3-Way Valve SAIA 87186422110 directs water flow inside your Greenstar 24 FSN GB boiler to ensure smooth switching between heating and hot water. This refurbished valve provides stable operation and restores correct hydraulic performance. Each unit is refurbished, cleaned, and tested to meet working standards, offering a dependable and affordable solution for your boiler repair needs.
Compatible Boilers
Worcester Greenstar FSN GB Series
Greenstar 24 FSN GB (GC No. 47-406-32 / 7736900097)
Greenstar 28 FSN GB (GC No. 47-406-33 / 7736900098)
If you’re looking for a Worcester Boiler V37 Diverter Valve 87161567460 or any other different Worcester Diverter Valve, follow the links provided.
Why Choose This Product?
This refurbished Worcester 3-Way Valve SAIA W/O Bypass restores smooth and accurate control over water distribution inside your boiler. It eliminates inconsistent heating and ensures stable hot water performance. Each valve is refurbished to high standards, tested for flow accuracy, and checked for pressure stability. This part provides a reliable and cost-efficient solution that helps extend boiler life while maintaining safe and efficient operation.
Delivery and Return
Orders placed before 1 PM are dispatched on the same working day. Customers can choose between standard or next-day courier delivery at checkout. Items may be returned within 30 days if unused and in original condition. Always have a Gas Safe registered engineer handle installation to ensure proper fitting and safe operation.
Frequently Asked Questions (FAQs)
1. What does the Worcester 3-Way Valve SAIA 87186422110 do?
The Worcester 3-Way Valve SAIA 87186422110 controls the direction of water flow within your boiler, allowing it to switch between central heating and hot water functions smoothly.
2. Which Worcester boilers are compatible with this valve?
This 3-way valve fits the Worcester Greenstar 24 FSN GB and Worcester Greenstar 28 FSN GB boilers. You can confirm compatibility by checking your boiler’s GC number against the product description.
3. Can this refurbished valve fix heating or hot water issues?
Yes. Replacing a faulty 3-way valve can resolve problems such as uneven heating, delayed hot water, or system pressure imbalance, restoring your boiler’s proper operation.
4. Is this valve new or refurbished?
This valve is refurbished. Each unit is cleaned, inspected, and pressure-tested to ensure reliable performance before dispatch.
5. Does this valve include a bypass?
No. This model is a W/O (without) bypass version, designed for systems that already include an external bypass configuration.







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