The Worcester Air/Gas Mixing Chamber 87161164860 ensures accurate air and gas blending inside your boiler for efficient combustion. This refurbished mixing chamber helps maintain stable burner performance and consistent heating output. Designed to fit a range of Worcester boiler models, it provides a reliable and cost-effective replacement that restores your boiler’s efficiency and safety.

Compatible Boilers

Worcester Greenstar i System Series

• Greenstar 12 i System (GC No. 41-311-67)

• Greenstar 12 i System LPG (GC No. 41-311-69)

• Greenstar 15 i System (GC No. 41-311-84)

• Greenstar 15 i System LPG (GC No. 41-311-85)

• Greenstar 18 i System (GC No. 41-311-86)

• Greenstar 18 i System LPG (GC No. 41-311-87)

• Greenstar 24 i System (GC No. 41-311-68)

• Greenstar 24 i System LPG (GC No. 41-311-70)

Worcester Greenstar Junior Series

• Greenstar 24 i Junior HE (GC No. 47-311-86)

• Greenstar 24 i Junior HE LPG (GC No. 47-311-90)

• Greenstar 24 i Junior HE Mk5 2013 NG/LPG (GC No. 47-406-54)

• Greenstar 28 i Junior HE (GC No. 47-311-87)

• Greenstar 28 i Junior HE LPG (GC No. 47-311-91)

• Greenstar 28 i Junior HE Mk5 2013 NG/LPG (GC No. 47-406-56)

Worcester Greenstar Ri Series

• Greenstar 15 RI HE (GC No. 41-311-75)

• Greenstar 15 RI HE LPG (GC No. 41-311-76)

• Greenstar 24 RI HE (GC No. 41-311-65)

• Greenstar 24 RI HE LPG (GC No. 41-311-66)

Worcester Greenstar Ri ERP+ Series

• Greenstar 9RI ERP+ NG (GC No. 41-406-74)

• Greenstar 9RI ERP+ LPG (GC No. 41-406-68)

• Greenstar 12RI ERP+ NG (GC No. 41-406-75 / 7733600307)

• Greenstar 12RI ERP+ LPG (GC No. 41-406-69 / 7733600301)

• Greenstar 15RI ERP+ NG (GC No. 41-406-76 / 7733600308)

• Greenstar 15RI ERP+ LPG (GC No. 41-406-70 / 7733600302)

• Greenstar 18RI ERP+ NG (GC No. 41-406-77 / 7733600309)

• Greenstar 18RI ERP+ LPG (GC No. 41-406-71 / 7733600303)

• Greenstar 21RI ERP+ NG (GC No. 41-406-78 / 7733600310)

• Greenstar 21RI ERP+ LPG (GC No. 41-406-72 / 7733600304)

• Greenstar 24RI ERP+ NG (GC No. 41-406-79 / 7733600311)

• Greenstar 24RI ERP+ LPG (GC No. 41-406-73 / 7733600305)

Worcester Greenstar Si Series

• Greenstar 25 Si (GC No. 47-311-84)

• Greenstar 25 Si LPG (GC No. 47-311-88)

• Greenstar 30 Si (GC No. 47-311-85)

• Greenstar 30 Si LPG (GC No. 47-311-89)

Why Choose This Product?

This refurbished Worcester Air/Gas Mixing Chamber provides reliable and efficient gas-to-air blending for stable combustion. It helps maintain consistent heat output while reducing the risk of burner faults. Each unit is carefully refurbished, cleaned, and tested to ensure dependable performance. Choosing this part provides a sustainable and affordable option that enhances boiler efficiency and extends its lifespan.

Delivery and Return

Orders placed before 1 PM are dispatched on the same working day. Customers can choose between standard delivery or next-day courier service at checkout. Items may be returned within 30 days in their original condition if you are not fully satisfied. Always use a Gas Safe registered engineer for safe and correct installation.

Frequently Asked Questions (FAQs)

1. What does the Worcester Air/Gas Mixing Chamber do?
The Worcester Air/Gas Mixing Chamber blends air and gas in the correct ratio to ensure efficient combustion inside the boiler. This balance is essential for maintaining stable burner performance and consistent heating.

2. Which part number fits my Worcester boiler?
Use part number 87161164860 for the Worcester Air/Gas Mixing Chamber. It fits multiple Worcester Greenstar boiler series, including i System, Junior, Ri, Ri ERP+, and Si models.

3. Can a faulty mixing chamber affect boiler performance?
Yes. A damaged or blocked mixing chamber can cause ignition problems, poor heat output, and inconsistent combustion. Replacing it with a refurbished part helps restore efficiency and prevent further issues.

4. Is this Worcester Air/Gas Mixing Chamber new or refurbished?
This part is refurbished. Each unit is cleaned, inspected, and tested to ensure safe operation and performance comparable to a new part.

5. Do I need a professional to install this part?
Yes. Always have a Gas Safe registered engineer install or replace your boiler parts. This ensures safe operation and maintains warranty coverage.