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

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Bosch AquaStar

Bosch AquaStar Water Heaters in Natural Gas and Propane for whole house and point-of-use residential applications. The Bosch AquaStar line of tankless water heaters includes efficient non-condensing tankless water heaters with more compact models and greater installation versatility - to satisfy all your residential applications.

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  1. Bosch Therm Power Vent Kit (AQ4)

    Bosch Therm Power Vent Kit (AQ4)

    Bosch Therm Power Vent Kit (AQ4)

    Side Wall Vent Kit with Back Draft Protection Learn More

    Regular Price: $699.00

    Special Price: $625.00

    Details
  2. Bosch AquaStar Concentric Vent Kit (ESHCK-FULL-KIT)

    Bosch AquaStar Concentric Vent Kit (ESHCK-FULL-KIT)

    Bosch AquaStar Concentric Vent Kit (ESHCK-FULL-KIT)

    Includes 3' Pipe, 90 Degree Elbow and Termination Tee Learn More

    Regular Price: $315.00

    Special Price: $299.00

    Details
  3. Bosch AquaStar Horizontal Vent Kit (AQ3ESPLUS)

    Bosch AquaStar Horizontal Vent Kit (AQ3ESPLUS)

    Bosch AquaStar Horizontal Vent Kit (AQ3ESPLUS)

    Stainless Steel Side Wall Vent Kit Learn More

    Regular Price: $287.00

    Special Price: $279.95

    Details
  4. Bosch AquaStar Horizontal Vent Kit (AQ3PLUS)

    Bosch AquaStar Horizontal Vent Kit (AQ3PLUS)

    Bosch AquaStar Horizontal Vent Kit (AQ3PLUS)

    Stainless Steel Side Wall Vent Kit Learn More

    Regular Price: $287.00

    Special Price: $279.95

    Details
  5. Bosch AquaStar Vertical Vent Kit (ES VVT) Steep

    Bosch AquaStar Vertical Vent Kit (ES VVT) Steep

    Bosch AquaStar Vertical Vent Kit (ES VVT) Steep

    Stainless Steel Vertical Vent Kit for Steep Roofs Learn More

    Regular Price: $294.00

    Special Price: $239.00

    Details
  6. Bosch AquaStar Vertical Vent Kit (ES VVT)

    Bosch AquaStar Vertical Vent Kit (ES VVT)

    Bosch AquaStar Vertical Vent Kit (ES VVT)

    Stainless Steel Vertical Vent Kit Learn More

    Regular Price: $294.00

    Special Price: $219.00

    Details
  7. Bosch AquaStar Horizontal Vent Kit (AQ3ES)

    Bosch AquaStar Horizontal Vent Kit (AQ3ES)

    Bosch AquaStar Horizontal Vent Kit (AQ3ES)

    Stainless Steel Side Wall Vent Kit Learn More

    Regular Price: $287.00

    Special Price: $199.00

    Details
  8. Bosch AquaStar Horizontal Vent Kit (AQ3)

    Bosch AquaStar Horizontal Vent Kit (AQ3)

    Bosch AquaStar Horizontal Vent Kit (AQ3)

    Stainless Steel Side Wall Vent Kit Learn More

    Regular Price: $287.00

    Special Price: $199.00

    Details
  9. Bosch Pipe Cover for AquaStar 2700ES / 2400ES (AQPCES)

    Pipe Cover for AquaStar 2700ES / 2400ES (AQPCES)

    Bosch Pipe Cover for AquaStar 2700ES / 2400ES (AQPCES) Learn More
    $189.95
    Details
  10. Bosch AQOK Outdoor Vent Kit

    Bosch AQOK Outdoor Vent Kit

    Bosch AQOK Outdoor Vent Kit

    Required for Outdoor Installations Learn More

    Regular Price: $179.00

    Special Price: $169.00

    Details

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