Description
The Bosch 7738005271 is an OEM replacement Heat Exchanger K designed specifically for Bosch GB142 series condensing boilers rated at 24/30kW. This precision-engineered component is a critical element of the GB142’s high-efficiency condensing heat transfer system, ensuring optimal thermal performance and long-term reliability in residential and light commercial hydronic heating applications.
Product Overview
The GB142 series is a wall-hung, fully condensing gas boiler renowned for its high efficiency and compact design. The heat exchanger is the heart of the condensing process, extracting maximum heat energy from combustion gases — including latent heat from water vapor — to deliver exceptional seasonal efficiency. Replacing a worn or damaged heat exchanger with a genuine Bosch OEM part restores the boiler to factory performance specifications.
Key Features
- OEM replacement heat exchanger for Bosch GB142 24/30kW condensing boilers
- Engineered for high-efficiency condensing operation
- Direct drop-in replacement — no modifications required
- Designed to restore factory thermal performance and efficiency ratings
- Compatible with Bosch GB142 series wall-hung condensing boilers
- Manufactured to Bosch OEM quality and durability standards
Compatible Equipment
- Bosch GB142 24kW condensing boiler
- Bosch GB142 30kW condensing boiler
Why Replace with a Genuine Bosch Part?
Using a genuine Bosch OEM heat exchanger ensures proper fit, verified materials compatibility, and maintained system efficiency. Aftermarket substitutes may compromise boiler performance, void warranties, or lead to premature failure. Trust the Bosch 7738005271 to deliver the same reliable condensing performance as the original factory component.
Application
- Residential and light commercial hydronic heating systems
- Condensing boiler service and repair
- Boiler efficiency restoration
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