Thursday, July 18, 2013

Replacement Heat Exchanger for Bosch 830ES/940ES/940ESO and Evolution 500

The Bosch 940ES, 940ESO, 830ES and the Bosch Evolution 500 Heat Exchanger Part 8705406422 is the replacement heat exchanger for all Bosch Therm 940ES, 940ESO, 830ES and the Bosch Evolution 500 tankless water heaters.

This part is also the replacement Heat Exchanger for the Bosch Aquastar 2400ES and 2700ES tankless water heaters.

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