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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

GlobalTowne 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 888.726.9752 for pricing and availability on all other Bosch parts.

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  1. Bosch AquaStar 1600P-NG Gas Valve #8707021279

    Bosch AquaStar 1600P-NG Gas Valve #8707021279

    Bosch AquaStar 1600P-NG Gas Valve #8707021279 Learn More

    Regular Price: $197.16

    Special Price: $136.95

    Details
  2. Bosch AquaStar 1600P-LP Gas Valve #8707021401

    Bosch AquaStar 1600P-LP Gas Valve #8707021401

    Bosch AquaStar 1600P-LP Gas Valve #8707021401 Learn More

    Regular Price: $186.12

    Special Price: $134.95

    Details
  3. Bosch AquaStar 2700ES / 2400ES Water Valve with Engine #8708505024

    Bosch AquaStar 2700ES / 2400ES Water Valve with Engine #8708505024

    Bosch AquaStar 2700ES / 2400ES Water Valve with Engine #8708505024 Learn More

    Regular Price: $189.47

    Special Price: $132.95

    Details
  4. New PowerStar AE125 PCB Control Board #8738701738 for Poly Units for S/N 108 or Higher

    New PowerStar AE125 PCB Control Board #8738701738 for Poly Units for S/N 108 to 555

    PowerStar AE125 PCB Control Board (8738701738) Learn More

    Regular Price: $179.95

    Special Price: $127.95

    Details
  5. PowerStar AE115 PCB Control Board #93-793777 for Copper Can Unit

    PowerStar AE115 PCB Control Board #93-793777 for Copper Can Unit

    PowerStar AE115 PCB Control Board (93-793777) Learn More

    Regular Price: $165.95

    Special Price: $124.95

    Details
  6. New PowerStar AE115 PCB Control Board #8738701732 for Poly Units for S/N 108 or Higher

    New PowerStar AE115 PCB Control Board #8738701732 for Poly Units for S/N 108 to 555

    PowerStar AE115 PCB Control Board (8738701732) Learn More

    Regular Price: $169.95

    Special Price: $121.95

    Details
  7. Bosch Ariston GL6+ Thermostat Retrofit Kit (#7738006447)

    Ariston GL6 Plus Thermostat Retrofit Kit (#7738006447)

    Bosch Ariston GL6Plus Thermostat Retrofit Kit (#7738006447) Learn More

    Regular Price: $149.95

    Special Price: $119.95

    Details
  8. Bosch Ariston GL2.5/GL4 Thermostat Retrofit Kit (#7738006446)

    Ariston GL2.5/GL4 Thermostat Retrofit Kit (#7738006446)

    Bosch Ariston GL2.5/GL4 Thermostat Retrofit Kit (#7738006446) Learn More

    Regular Price: $129.95

    Special Price: $99.95

    Details
  9. Bosch Ariston GL6+S Kit for GL6+S / GL8TiS / ES8

    Ariston GL6+SKit for GL6+S / GL8TiS / ES8

    Bosch Ariston GL6+S Kit for GL6+S / GL8TiS / ES8 Learn More

    Regular Price: $109.95

    Special Price: $89.95

    Details
  10. Bosch Ariston GLS Kit for GL2.5S/GL4S/ES2.5/ES4

    Ariston GLSKit for GL2.5S/GL4S/ES2.5/ES4

    Bosch Ariston GLS Kit for GL2.5S/GL4S/ES2.5/ES4 Learn More

    Regular Price: $89.95

    Special Price: $69.95

    Details

Items 21 to 30 of 36 total

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