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Gas Tankless Heaters

Bosch Tankless Water Heaters for whole house and point-of-use commercial and residential applications in Natural Gas and Liquid Propane. The expanded and advanced line of Bosch Therm tankless water heaters includes efficient Condensing and Non-Condensing tankless water heaters with more compact models and greater installation versatility - to satisfy all your commercial and residential applications.

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  1. Bosch Therm C 1210 ES NG (Natural Gas) Whole-House Tankless Water Heater

    Bosch Therm C 1210 ES NG (Natural Gas)

    Bosch Therm C 1210ES-NG (Natural Gas) tankless water heater with secondary condensing heat exchanger

    225,000 BTUs and up to 140 degrees F, Electronic Ignition, PVC exhaust Learn More

    Regular Price: $3,295.00

    Special Price: $2,879.00

    Details
  2. Bosch Therm C 1210 ES LP (Liquid Propane) Whole-House Tankless Water Heater

    Bosch Therm C 1210 ES LP (Liquid Propane)

    Bosch Therm C 1210ES-LP Liquid Propane tankless water heater with secondary condensing heat exchanger

    225,000 BTUs and up to 140 degrees F, Electronic Ignition, PVC exhaust Learn More

    Regular Price: $3,295.00

    Special Price: $2,879.00

    Details
  3. 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
  4. 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
  5. 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
  6. 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

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