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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.

Items 11 to 18 of 18 total

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  1. Bosch Therm 520PN / 520HN Water Valve #8738710119

    Bosch Therm 520PN / 520HN Water Valve #8738710119

    Bosch Therm 520PN / 520HN Water Valve #8738710119 Learn More

    Regular Price: $199.47

    Special Price: $172.95

    Details
  2. Powerstream Pro RP27PT PCB Control Board #93-793844 for Poly Units

    Bosch Powerstream Pro RP27PT PCB Control Board #93-793844 for Poly Units

    Powerstream Pro RP27PT PCB Control Board (93-793844) Learn More

    Regular Price: $199.95

    Special Price: $158.95

    Details
  3. Bosch Therm Universal Hydro Generator #8707406104

    Bosch Therm Universal Hydro Generator #8707406104

    Bosch Therm Universal Hydro Generator #8707406104 Learn More

    Regular Price: $172.34

    Special Price: $149.95

    Details
  4. Powerstream Pro RP27PT PCB Control Board #93-793778 for Copper Can Unit

    Regular Price: $185.95

    Special Price: $145.95

    Details
  5. Powerstream Pro RP17PT PCB Control Board #93-793843 for Poly Units

    Bosch Powerstream Pro RP17PT PCB Control Board #93-793843 for Poly Units

    Powerstream Pro RP17PT PCB Control Board (93-793843) Learn More

    Regular Price: $185.95

    Special Price: $144.95

    Details
  6. Bosch Tronic 5000 WH27 PCB Control Board #8738701738 for Poly Units for S/N 108 or Higher

    Regular Price: $179.95

    Special Price: $127.95

    Details
  7. Powerstream Pro RP17PT PCB Control Board #93-793777 for Copper Can Unit

    Regular Price: $165.95

    Special Price: $124.95

    Details
  8. Bosch Tronic 5000 WH17 PCB Control Board #8738701732 for Poly Units for S/N 108 or Higher

    Regular Price: $169.95

    Special Price: $121.95

    Details

Items 11 to 18 of 18 total

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