Bosch Spare Parts
ProWaterHeaterSupply sells replacement parts for all Bosch gas, propane and electric tankless water heaters and electric mini-tanks. We list the most common Bosch heat exchangers, water valves, gas valves, control boards, control boxes and hydrogenerator on this page. Call us at 866.289.4652 for pricing and availability on all other Bosch parts.
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Bosch ProTankless 425 Heat Exchanger #8705406380 (8705406235)
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Regular Price:
$445.95
Special Price:
$389.95
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Bosch Therm C1210ES / C1050ES / C950ES / 940ES / 830ES Gas Valve #8707021019
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Regular Price:
$497.95
Special Price:
$389.95
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Bosch Therm 520 Heat Exchanger #8705406386
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Regular Price:
$429.95
Special Price:
$379.95