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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 ESC NG (Natural Gas) Commercial Whole-House Tankless Water Heater

    Bosch Therm C 1210 ESC NG (Natural Gas)

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

    225,000 BTUs and up to 180 degrees F, Electronic Ignition, PVC exhaust Learn More

    Regular Price: $2,802.00

    Special Price: $2,499.00

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

    Bosch Therm C 1210 ESC LP (Liquid Propane)

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

    225,000 BTUs and up to 180 degrees F, Electronic Ignition, PVC exhaust Learn More

    Regular Price: $2,802.00

    Special Price: $2,499.00

    Details
  3. 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: $2,617.00

    Special Price: $2,399.00

    Details
  4. 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: $2,617.00

    Special Price: $2,399.00

    Details
  5. 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: $2,385.00

    Special Price: $2,199.00

    Details
  6. 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: $2,140.00

    Special Price: $1,899.00

    Details
  7. Bosch ProTL 199CN [Greentherm C 1050 ES NG] (Natural Gas) Whole-House Tankless Water Heater

    Bosch ProTL 199CN [Greentherm C 1050 ES NG] (Natural Gas)

    Bosch ProTL 199CN (Natural Gas) tankless water heater with secondary condensing heat exchanger

    Special Edition version of the Bosch Greentherm C 1050ES-NG

    199,000 BTUs and up to 140 degrees F, Electronic Ignition, PVC exhaust, Energy Star Learn More

    Regular Price: $2,199.00

    Special Price: $1,899.00

    Details
  8. Bosch ProTL 199CL [Greentherm C 1050 ES LP] (Liquid Propane) Whole-House Tankless Water Heater

    Bosch ProTL 199CL [Greentherm C 1050 ES LP] (Liquid Propane)

    Bosch ProTL 199CL (Liquid Propane) tankless water heater with secondary condensing heat exchanger

    Special Edition version of the Bosch Greentherm C 1050ES-LP

    199,000 BTUs and up to 140 degrees F, Electronic Ignition, PVC exhaust, Energy Star Learn More

    Regular Price: $2,199.00

    Special Price: $1,899.00

    Details
  9. Bosch ProTankless 425 HN LP (Liquid Propane) Whole-House Tankless Water Heater

    Bosch ProTankless 425 HN LP (Liquid Propane)

    Bosch ProTankless 425HN-LP (Liquid Propane) whole-house tankless water heater

    117,000 BTUs, Hydro Ignition, B-Vent exhaust Learn More

    Regular Price: $1,999.00

    Special Price: $1,899.00

    Details
  10. Bosch ProTL 175CN [Greentherm C 950 ES NG] (Natural Gas) Whole-House Tankless Water Heater

    Bosch ProTL 175CN [Greentherm C 950 ES NG] (Natural Gas)

    Bosch ProTL 175CN (Natural Gas) tankless water heater with secondary condensing heat exchanger

    Special Edition version of the Bosch Greentherm C 950ES-NG

    175,000 BTUs and up to 140 degrees F, Electronic Ignition, PVC exhaust, Energy Star Learn More

    Regular Price: $2,099.00

    Special Price: $1,799.00

    Details

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