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Bosch Therm gas and propane tankless water heaters and Bosch Powerstream electric tankless water heaters.

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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 16 of 16 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: $319.95

    Special Price: $279.95

    Details
  2. Bosch AquaStar 125B Water Valve Assembly #8707002499

    Bosch AquaStar 125B Water Valve Assembly #8707002499

    Bosch AquaStar 125B Water Valve Assembly #8707002499 Learn More

    Regular Price: $299.33

    Special Price: $259.95

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

    Bosch Powerstream Pro RP27PT PCB Control Board #93-793778 for Copper Can Unit

    Powerstream Pro RP27PT PCB Control Board (93-793778) Learn More

    Regular Price: $299.95

    Special Price: $219.95

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

    Bosch Powerstream Pro RP17PT PCB Control Board #93-793777 for Copper Can Unit

    Powerstream Pro RP17PT PCB Control Board (93-793777) Learn More

    Regular Price: $299.95

    Special Price: $199.95

    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: $299.95

    Special Price: $199.95

    Details
  6. Bosch Therm Universal Hydro Generator #8707406104

    Bosch Therm Universal Hydro Generator #8707406104

    Bosch Therm Universal Hydro Generator #8707406104 Learn More

    Regular Price: $262.34

    Special Price: $169.95

    Details

Items 11 to 16 of 16 total

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  1. $100.00 - $199.99 (3)
  2. $200.00 - $299.99 (3)
  3. $300.00 - $399.99 (3)
  4. $400.00 and above (7)
Gas Type
  1. Natural Gas (2)
  2. Liquid Propane (2)
Application
  1. Commercial,Residential (16)
Indoor/Outdoor Installation
  1. Indoor (3)
Product Type
  1. Electric Heater Replacement Part (3)
  2. Gas Heater Replacement Part (13)
Spare Part Type
  1. Gas Valves (1)
  2. Electric Tankless PCBs (3)
  3. Heat Exchangers (9)
  4. Hydro Generators (1)
  5. Water Valves (2)
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