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

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Tankless Water Heater Replacement Parts

GlobalTowne sells replacement parts for all Bosch, Takagi and AO Smith gas, propane and electric tankless water heaters and electric mini-tanks. We list the most common Bosch, Takagi and AO Smith 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, Takagi and AO Smith parts.

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  1. PowerStar AE125 PCB Control Board #93-793778 for Copper Can Unit

    PowerStar AE125 PCB Control Board #93-793778 for Copper Can Unit

    PowerStar AE125 PCB Control Board (93-793778) Learn More

    Regular Price: $299.95

    Special Price: $239.95

    Details
  2. PowerStar AE115 PCB Control Board #93-793843 for Poly Units

    PowerStar AE115 PCB Control Board #93-793843 for Poly Units

    PowerStar AE115 PCB Control Board (93-793843) Learn More

    Regular Price: $319.95

    Special Price: $239.95

    Details

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  1. Remove This Item Price: $200.00 and above
  2. Remove This Item Brand: Bosch PowerStar
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