The Worcester Bosch 87161143890 Flue Sampling Tube Kit is a genuine accessory designed to support accurate analysis of flue gases from your boiler. By providing a secure and correctly positioned sampling point in the flue system, it allows service engineers to extract flue gas samples safely for combustion efficiency checks, emissions testing and diagnostic assessments. Monitoring flue gas composition helps verify correct burner performance, optimise combustion and ensure compliance with safety standards.

This flue sampling tube kit is compatible with Worcester Bosch Greenstar and Ri series boilers that require part number 87161143890 for flue gas sampling applications. To ensure correct fitment, always verify the part number on your boiler’s installation documentation or consult the service manual before fitting, as flue configurations can vary by model.

Designed for straightforward installation, the kit integrates with the existing flue system hardware without modification, providing a dependable sampling interface for routine servicing and performance evaluation. Choosing this genuine Worcester Bosch flue sampling tube kit helps support accurate combustion analysis and overall system health in compatible Greenstar and Ri boilers.