Description

Worcester 87161082120 20 Plate Heat Exchanger – Replacement Unit for Worcester Bosch Boilers

The Worcester plate heat exchanger ensures efficient heat transfer inside your boiler system. This 20 plate heat exchanger (part number 87161082120) separates the primary and domestic circuits. It keeps water clean and improves heating output while protecting your boiler from damage.

Compatible Boilers

For your convenience, this part is compatible with the following boiler models:

Worcester Greenstar Life Series:

• GR8300IW 40C LPG – GC No. 47-800-21 (7738100851)

• GR8300IW 40C NG – GC No. 47-800-16 (7738100802)

• GR8300IW 45C LPG – GC No. 47-800-20 (7738100852)

• GR8300IW 45C NG – GC No. 47-800-15 (7738100803)

Worcester Greenstar 8000 Style Series:

• GR8700IW 40C LPG – GC No. 47-800-11 (7738100841)

• GR8700IW 40C NG – GC No. 47-800-01 (7738100797)

• GR8700IW 40CB LPG – GC No. 47-800-06 (7738100846)

• GR8700IW 40CB NG – GC No. 47-406-95 (7738100834)

• GR8700IW 45C LPG – GC No. 47-800-10 (7738100842)

• GR8700IW 45C NG – GC No. 47-406-99 (7738100798)

• GR8700IW 45CB LPG – GC No. 47-800-05 (7738100847)

• GR8700IW 45CB NG – GC No. 47-406-94 (7738100835)

Worcester Greenstar Combi CDI & CDI HE Series:

• Combi 35 CDI – GC No. 47-311-94

• Combi 37 CDI HE – GC No. 47-406-08

• Combi 37 CDI HE LPG – GC No. 47-406-09

• Combi 40 CDI – GC No. 47-311-95

• Combi 42 CDI HE (Classic) – GC No. 47-406-10

• Combi 42 CDI HE (Classic) LPG – GC No. 47-406-11

Worcester Greenstar CDI Classic & ERP Series:

• 34 CDI Classic – GC No. 47-406-36

• 34 CDI Classic LPG – GC No. 47-406-37

• 38 CDI Classic – GC No. 47-406-38

• 38 CDI Classic LPG – GC No. 47-406-39

• 34 CDI Classic ERP – GC No. 47-406-67 (7738100250)

• 34 CDI Classic ERP LPG – GC No. 47-406-68

• 38 CDI Classic ERP – GC No. 47-406-69 (7738100252)

• 38 CDI Classic ERP LPG – GC No. 47-406-70

• 42 CDI Classic ERP – GC No. 47-406-71 (7738100246)

• 42 CDI Classic ERP LPG – GC No. 47-406-72

Worcester Highflow CDI ErP Series:

• Highflow 440 CDI ErP – GC No. 47-406-89 (7731600098)

• Highflow 440 CDI ErP LPG – GC No. 47-406-90 (7731600099)

• Highflow 550 CDI – GC No. 47-406-25

Why Choose This Product?

This 20-plate heat exchanger provides the best solution for restoring boiler performance. It’s been professionally cleaned, pressure-tested, and certified to meet Worcester’s quality standards. You get excellent performance at a lower cost. This part is ideal if you’re repairing an older boiler or extending its lifespan. It’s also an eco-friendly choice that avoids unnecessary waste.

Delivery and Return 

Orders placed by 2 PM are shipped the same day. Choose between standard or express delivery at checkout. Returns are accepted within 14 days if the item is unused and in original packaging.

Always have a Gas Safe registered engineer install or service your boiler components.