The Worcester Greenstar air pressure switch monitors airflow within your boiler and ensures safe ignition during operation. This refurbished part helps maintain correct air pressure levels, reducing the risk of lockouts and ignition faults. The part number 87161066330 provides a precise fit and reliable performance across compatible Worcester Greenstar models.

Compatible Boilers

This refurbished air pressure switch is compatible with the following Worcester Greenstar 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 i Junior HE Series

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

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

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

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

Worcester Greenstar RI HE Series

• Greenstar 12 RI HE (GC No. 41-311-63)

• Greenstar 12 RI HE LPG (GC No. 41-311-64)

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

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

• Greenstar 18 RI HE (GC No. 41-311-77)

• Greenstar 18 RI HE LPG (GC No. 41-311-78)

• 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 9 RI ERP+ NG (GC No. 41-406-74 / 7733600306)

• Greenstar 9 RI ERP+ LPG (GC No. 41-406-68 / 7733600300)

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

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

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

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

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

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

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

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

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

• Greenstar 24 RI 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 Worcester Greenstar air pressure switch helps maintain correct airflow for reliable ignition and combustion. Each unit is refurbished, tested, and recalibrated to ensure consistent operation and long-term durability. It’s an affordable and sustainable alternative to new components, reducing repair costs while keeping your boiler running smoothly and safely.

Delivery and Return

Orders placed before 1 PM are dispatched the same working day. Standard and next-day delivery options are available during checkout. If you are not satisfied, return the item within 30 days in its original condition. Always use a Gas Safe registered engineer for fitting or repair to ensure safe and correct installation.

Frequently Asked Questions (FAQs)

1. What does the Worcester Greenstar air pressure switch do?
The air pressure switch monitors airflow inside your boiler to ensure safe combustion and ignition. It helps prevent ignition faults, flame detection errors, and boiler lockouts.

2. Which part number fits my Worcester Greenstar boiler?
This refurbished air pressure switch with part number 87161066330 fits several Worcester Greenstar models, including i System, Junior HE, RI HE, RI ERP+, and Si ranges.

3. Can replacing this part fix ignition or airflow problems?
Yes. A faulty air pressure switch often causes ignition failure or system lockout. Replacing it restores safe boiler performance and consistent airflow regulation.

4. Is this Worcester air pressure switch new or refurbished?
This part is refurbished. Each unit is cleaned, recalibrated, and tested to meet quality and performance standards before dispatch.

5. Does this air pressure switch come with a warranty?
Yes. Every refurbished air pressure switch comes with a 12-month warranty that covers manufacturing or performance issues.