Bosch - High Efficiency Residential Tankless Water Heaters

Homeowners want the energy-efficient, endless supply of hot water only a gas tankless water heater can deliver. And no one has a more complete line or gives you a longer warranty than Bosch. Elegantly engineered, these units are small, lightweight, and easy to install and maintain.

  • Up to 92% thermal efficiency
  • Direct vent, vertically or horizontally with PVC, PVC-DWV, CPVC, ABS-DWV on condensing models
  • Venting options concentric and twin pipe
  • Direct Electronic Ignition no pilot light
  • Suitable for recirculating applications (2-year warranty)
  • Solar application-ready
  • Continuous hot water at up to 9.2 GPM
  • Heavy duty heat exchanger
  • Whole House Water Heating Solution
  • On-Board diagnostics and safety monitoring
  • On when you need It, off when you don't no standby loss!
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Energy Star
Model IDModel NameInput Range
Max. Output
Thermal Eff.
EFOutput Temp.
Range dF
Max. Flow
29623420019.9 - 199.0179.392.0.91100 - 14010.530.5x17.9x11.25
29624380019.9 - 199.0160.583.0.83100 - 1409.430.5x17.9x11.25
  • All installations carry a one year full parts and labor warranty
  • Residential Limited Warranty:
    • 15-year limited warranty on heat exchanger
    • 2-year if used in recirculating applications
    • 5-year limited warranty on all other parts
  • Commercial Limited Warranty:
    • 5-year limited warranty on heat exchanger
    • 2-year if used in recirculating applications
    • 2-year limited warranty on all other parts

Totally Tanklessstarstarstarstarstar4.8 / 5

79 Total Reviews Totally Tankless845-790-5013$PO Box 1134, Wappingers Falls NY

An efficient & reliable comfort system begins with a good plan.