Description
22 Plate Heat Exchanger For Worcester Bosch Boiler 8737602364 (Replaces 87186444720)
The Worcester Bosch C PHE 22 Plate Heat Exchanger 8737602364 delivers efficient heat transfer for reliable hot water performance. This 22 plate heat exchanger replaces part number 87186444720, ensuring smooth compatibility and easy installation. Moreover, it helps restore heating efficiency and improves domestic hot water output. Because it controls heat exchange between circuits, it plays a vital role in maintaining stable boiler performance.
Compatible Boilers
Worcester 5000 Compact Series
533 Compact (GC No. 47-406-58)
533 Compact ErP (GC No. 47-406-83)
535 Compact (GC No. 47-406-59)
535 Compact ErP (GC No. 47-406-84)
Worcester Greenstar 32 and 36 CDI Compact Series
Greenstar 32 CDI Compact (GC No. 47-406-46)
Greenstar 32 CDI Compact LPG (GC No. 47-406-47)
Greenstar 36 CDI Compact (GC No. 47-406-48)
Greenstar 36 CDI Compact LPG (GC No. 47-406-49)
Greenstar 32 CDI Compact ERP (GC No. 47-406-79 / 7733600055)
Greenstar 32 CDI Compact ERP LPG (GC No. 47-406-80 / 7733600058)
Greenstar 36 CDI Compact ERP (GC No. 47-406-81 / 7733600056)
Greenstar 36 CDI Compact ERP LPG (GC No. 47-406-82 / 7733600059)
Worcester Greenstar 30 Si Compact Series
Greenstar 30 SI Compact NG (GC No. 47-406-52)
Greenstar 30 SI Compact LPG (GC No. 47-406-53)
Greenstar 30 SI Compact ERP (GC No. 47-406-75 / 7733600052)
Greenstar 30 SI Compact ERP LPG (GC No. 47-406-76 / 7733600053)
Why Choose This Product?
This Worcester Bosch 22 plate heat exchanger ensures efficient separation between heating and hot water circuits. As a result, it improves heat transfer and reduces temperature fluctuations. Furthermore, it helps prevent common issues such as poor hot water pressure or inconsistent heating output. Because this unit comes brand new, it offers long-term reliability and consistent performance. Therefore, it provides a dependable and cost-effective replacement solution for maintaining boiler efficiency.
Delivery and Return
Orders placed before 1 PM are dispatched on the same working day, so you receive your part quickly. In addition, you can choose standard or next-day delivery during checkout for added convenience. If the product does not meet your expectations, you can return it within 30 days in its original condition. Finally, always use a Gas Safe registered engineer to install boiler components safely and correctly.
Frequently Asked Questions
1. What does the Worcester Bosch C PHE 22 Plate Heat Exchanger 8737602364 do?
The Worcester Bosch C PHE 22 Plate Heat Exchanger transfers heat between the heating circuit and domestic hot water. As a result, it allows your boiler to produce hot water efficiently while keeping both systems separate.
2. Which part number does this heat exchanger replace?
This unit replaces part number 87186444720. Therefore, if your boiler currently uses 87186444720, you can install 8737602364 as a direct replacement.
3. Which boilers are compatible with this plate heat exchanger?
This heat exchanger fits selected Worcester 5000 Compact, Greenstar 32 and 36 CDI Compact, and Greenstar 30 Si Compact models. However, always confirm compatibility using your boiler’s GC number before ordering.
4. What are common signs of a faulty plate heat exchanger?
You may notice reduced hot water pressure, fluctuating temperatures, or poor heating performance. In addition, limescale buildup can reduce efficiency and cause overheating issues.
5. Is this heat exchanger brand new?
Yes. This Worcester Bosch C PHE 22 Plate Heat Exchanger 8737602364 comes brand new and ready for installation.








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