About product images
Product images
Some images represent a product range or show a complete installation for context. The size, finish and items included may vary depending on the option selected. Please check the product description and specifications to confirm what’s supplied, as other components or accessories pictured may be sold separately.
If you’re unsure, our team will be happy to help before you order.
Thermcross Spares 6319645B 3-Way Valve Kit Assembly, Diverter Valve Replacement Kit, Heating Control Valve Service Kit
- Manufacturer part number
- 6319645B/SIM
- EAN
- 8021297806078
This item is available from our warehouse or a third-party supplier's warehouse. Delivery times vary depending on stock location. If you need it by a specific date, please contact us before ordering to confirm the latest estimated delivery time.
Questions about this part? Talk to our team
Phone: 01226 369637
Opening times
Monday to Friday 08:00 to 17:00
Saturday and Sunday: closed
Delivery
Free standard delivery on orders over £100 ex VAT. Orders below this carry a £7.95 inc VAT delivery charge. Express delivery items £19.95 inc VAT, allow 1 to 2 working days. Delivery details and surcharges
Description
Product Overview
The Thermcross Spares PARTS 6319645B 3-Way Valve Kit Assembly is a replacement valve kit designed for servicing compatible heating and hot water systems. It helps restore smooth water flow control and reliable changeover performance. Ideal when a worn or sticking valve is causing heating or hot water issues.
Key Features
- 3-way valve kit assembly – helps maintain correct flow direction for dependable system operation.
- Replacement service kit – ideal for fixing faults without replacing the whole system, saving time and cost.
- Designed for compatible units – supports accurate fitment when matched to the correct part number.
- Helps resolve common valve problems – improves performance where a valve is sticking, leaking or failing to divert properly.
Use Case / Application
Suitable for use in domestic and light commercial heating and hot water installations where a 3-way valve assembly is fitted. Common applications include:
- Central heating systems in homes, flats and rental properties
- Plant rooms or utility areas where control valves manage heating circuits
- Service and maintenance tasks carried out by heating engineers
- Repairs where the system is not switching correctly between heating and hot water
Problem and Solution
Ideal for resolving heating or hot water changeover faults caused by a worn or failing 3-way control valve, helping restore normal operation quickly.
Product Specifications
• Manufacturer – Thermcross Spares
• Manufacturer Part Number (MPN) – 6319645B/SIM
• EAN / Barcode – 8021297806078
• Product Type – 3-Way Valve Kit Assembly
• Typical Applications / Use Cases – Replacement part for compatible heating and hot water systems; servicing and maintenance of 3-way diverter or control valve function
Why Buy from BHL
Thermcross Spares provides dependable replacement components designed for straightforward maintenance and long-lasting performance. Order the Thermcross Spares 6319645B 3-Way Valve Kit Assembly today from BHL to keep your system running smoothly. Buy online with competitive pricing, free* and fast UK delivery, and genuine parts delivered with care from UK warehouses. BHL is a specialist online merchant trusted by thousands of satisfied customers since 1998, with thousands of 5 star reviews. *see our terms