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The Baxi 242500 Heat Exchanger Rubber Seal is a genuine replacement gasket designed to provide a secure, watertight and airtight seal around the heat exchanger in compatible Baxi boilers. This seal ensures correct pressure retention, prevents leaks, and supports safe, efficient boiler operation.

Over time, rubber seals can harden, crack, or degrade due to heat and system wear, leading to water leaks, pressure drops, or combustion issues. Replacing the seal with this genuine Baxi part restores proper sealing and reliable boiler performance.

Key Features

  • Genuine Baxi rubber seal for heat exchanger

  • Provides airtight and watertight sealing

  • Helps prevent pressure loss, leaks, and combustion faults

  • Essential for maintaining safe and efficient operation

  • Direct-fit replacement for easy installation

Compatible With

This rubber seal is suitable for the following Baxi boiler ranges:

  • Baxi Combi

  • Baxi Solo

  • Baxi Barcelona

Please verify the part number (242500) with your boiler manual or existing seal to ensure correct compatibility.

Let us know abour your query!

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