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Whole House Tankless

Bosch Therm gas and propane whole-house tankless water heaters and Bosch Tronic (Powerstream Pro) electric whole-house tankless water heaters are designed for both residential and commercial applications. The Bosch Therm tankless water heaters include both Condensing and Non-Condensing models. The Bosch Tronic (Powerstream Pro) electric tankless water heaters are the industry leaders.

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  1. Bosch Therm 520 HN LP (Liquid Propane) Whole-House Tankless Water Heater

    Bosch Therm 520 HN LP (Liquid Propane)

    Bosch Therm 520HN-LP (Liquid Propane) whole-house tankless water heater

    117,000 BTUs, Hydro Ignition, 5" B-Vent Exhaust
    NOT FOR SALE IN CALIFORNIA Learn More

    Regular Price: $2,799.00

    Special Price: $2,399.00

    Details
  2. Bosch Greentherm T 9900i SE 199 NG / LP Whole-House Tankless Water Heater with Built-in Recirculation Pump and Wi-Fi

    Bosch Greentherm T 9900i SE 199 NG / LP

    Bosch Greentherm T 9900i SE 199 Tankless Water Heater with Secondary Condensing Heat Exchanger, Built-in Recirculation Pump and Wi-Fi

    199,000 BTUs and Up to 140 degrees F, Electronic Ignition, PP or PVC exhaust, Energy Star, Natural Gas or Liquid Propane Learn More

    Regular Price: $2,872.00

    Special Price: $2,399.00

    Details
  3. Bosch Greentherm T 9900 SE 199 NG / LP Whole-House Tankless Water Heater with Built-in Recirculation Pump

    Bosch Greentherm T 9900 SE 199 NG / LP

    Bosch Greentherm T 9900 SE 199 Tankless Water Heater with Secondary Condensing Heat Exchanger and Built-in Recirculation Pump

    199,000 BTUs and Up to 140 degrees F, Electronic Ignition, PP or PVC exhaust, Energy Star, Natural Gas or Liquid Propane Learn More

    Regular Price: $2,578.00

    Special Price: $2,299.00

    Details
  4. Bosch Greentherm T 9900 SE 160 NG / LP Whole-House Tankless Water Heater with Built-in Recirculation Pump

    Bosch Greentherm T 9900 SE 160 NG / LP

    Bosch Greentherm T 9900 SE 160 Tankless Water Heater with Secondary Condensing Heat Exchanger and Built-in Recirculation Pump

    160,000 BTUs and Up to 140 degrees F, Electronic Ignition, PP or PVC exhaust, Energy Star, Natural Gas or Liquid Propane Learn More

    Regular Price: $2,208.00

    Special Price: $2,045.00

    Details
  5. Bosch Greentherm T 9800 SEO 199 NG / LP

    Bosch Greentherm T 9800 SEO 199 NG / LP

    Bosch Greentherm T 9800 SEO 199 Outdoor Tankless Water Heater with Secondary Condensing Heat Exchanger

    199,000 BTUs and Up to 140 degrees F, Electronic Ignition, Energy Star, Outdoor unit, Natural Gas or Liquid Propane Learn More

    Regular Price: $2,074.00

    Special Price: $1,849.00

    Details
  6. Bosch Greentherm T 9800 SE 199 NG / LP Whole-House Tankless Water Heater

    Bosch Greentherm T 9800 SE 199 NG / LP

    Bosch Greentherm T 9800 SE 199 Tankless Water Heater with Secondary Condensing Heat Exchanger

    199,000 BTUs and Up to 140 degrees F, Electronic Ignition, PP or PVC exhaust, Energy Star, Natural Gas or Liquid Propane Learn More

    Regular Price: $2,120.00

    Special Price: $1,799.00

    Details
  7. Bosch Greentherm T 9800 SEO 160 NG / LP

    Bosch Greentherm T 9800 SEO 160 NG / LP

    Bosch Greentherm T 9800 SEO 160 Outdoor Tankless Water Heater with Secondary Condensing Heat Exchanger

    160,000 BTUs and Up to 140 degrees F, Electronic Ignition, Outdoor unit, Energy Star, Natural Gas or Liquid Propane Learn More

    Regular Price: $1,819.00

    Special Price: $1,645.00

    Details
  8. Bosch Greentherm T 9800 SE 160 NG / LP Whole-House Tankless Water Heater

    Bosch Greentherm T 9800 SE 160 NG / LP

    Bosch Greentherm T 9800 SE 160 Tankless Water Heater with Secondary Condensing Heat Exchanger

    160,000 BTUs and Up to 140 degrees F, Electronic Ignition, PP or PVC exhaust, Energy Star, Natural Gas or Liquid Propane Learn More

    Regular Price: $1,866.00

    Special Price: $1,525.00

    Details

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