Worcester Bosch Service Pack for Junior (JR) & SI Boilers

The Worcester Bosch Service Pack for Junior and SI boilers is a genuine manufacturer-approved maintenance kit designed for annual servicing of Worcester Bosch Junior (JR) and SI boiler models. This service pack includes essential seals and gaskets required to maintain safe operation, correct combustion, and long-term reliability.

Key Features

• Worcester Bosch service pack – OEM components for guaranteed fit and performance.
• Essential replacement seals and gaskets for routine annual boiler servicing.
• Supports efficient combustion and helps prevent gas or flue leaks.
• Helps maintain manufacturer warranty when used during scheduled servicing.
• Installer-trusted quality used by Gas Safe engineers.

Compatible Boilers

• Worcester Bosch Junior (JR) range
• Worcester Bosch SI boilers

Please confirm compatibility with your specific Junior or SI boiler model before installation.

What’s Included

• Burner door seal
• Ignition and flame electrode seals
• Inspection cover seal
• Additional O-rings and gaskets (model dependent)

Technical Information

Using a genuine Worcester Bosch service pack ensures correct sealing of critical combustion components, safe boiler operation, and reliable heating performance.