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 Therm 520PN / 520HN Water Valve #8738710119
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Regular Price:
$319.95
Special Price:
$279.95
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Bosch AquaStar 125B Water Valve Assembly #8707002499
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Regular Price:
$299.33
Special Price:
$259.95