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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 660 EFO NG (Natural Gas) Outdoor Whole-House Tankless Water Heater

    Bosch Therm 660 EFO NG (Natural Gas) - Outdoor

    Bosch Therm 660EFO-NG (Natural Gas) whole-house outdoor tankless water heater

    140,000 BTUs and up to 160 degrees F, Electronic Ignition, Energy Star, 2013 Federal Tax Credit Eligible Learn More

    Regular Price: $1,060.00

    Special Price: $599.00

    Details
  2. Bosch Therm 830 ES NG / ProTL 175N (Natural Gas) Whole-House Tankless Water Heater

    Bosch Therm 830 ES NG / ProTL 175N (Natural Gas)

    Bosch ProTL 175N (Natural Gas) whole-house tankless water heater

    Special Edition version of the Bosch Therm 830ES-NG

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

    Regular Price: $1,229.00

    Special Price: $945.00

    Details
  3. Bosch Therm 830 ES LP (Liquid Propane) Whole-House Tankless Water Heater

    Bosch Therm 830 ES LP / ProTL 175L (Liquid Propane)

    Bosch ProTL 175L (Liquid Propane) whole-house tankless water heater

    Special Edition version of the Bosch Therm 830ES-LP

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

    Regular Price: $1,229.00

    Special Price: $945.00

    Details
  4. Bosch Therm 940 ES LP / ProTL 199L (Liquid Propane) Whole-House Tankless Water Heater

    Bosch Therm 940 ES LP / ProTL 199L (Liquid Propane)

    Bosch ProTL 199L (Liquid Propane) whole-house tankless water heater

    Special Edition version of the Bosch Therm 940ES-LP

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

    Regular Price: $1,424.00

    Special Price: $1,085.00

    Details
  5. Bosch Therm 940 ES NG / ProTL 199N (Natural Gas) Whole-House Tankless Water Heater

    Bosch Therm 940 ES NG / ProTL 199N (Natural Gas)

    Bosch ProTL 199N (Natural Gas) whole-house tankless water heater

    Special Edition version of the Bosch Therm 940ES-NG

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

    Regular Price: $1,424.00

    Special Price: $1,085.00

    Details
  6. Bosch ProTL 175CL [Greentherm C 950 ES LP] (Liquid Propane) Whole-House Tankless Water Heater

    Bosch ProTL 175CL [Greentherm C 950 ES LP] (Liquid Propane)

    Bosch ProTL 175CL (Liquid Propane) tankless water heater with secondary condensing heat exchanger

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

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

    Regular Price: $1,560.00

    Special Price: $1,099.00

    Details
  7. 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: $1,560.00

    Special Price: $1,099.00

    Details
  8. Bosch Therm 940 ESO NG (Natural Gas) Outdoor Whole-House Tankless Water Heater

    Bosch Therm 940 ESO NG (Natural Gas) - Outdoor

    Bosch Therm 940ESO-NG (Natural Gas) whole-house outdoor tankless water heater

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

    Regular Price: $1,525.00

    Special Price: $1,245.00

    Details
  9. Bosch Therm 940 ESO LP (Liquid Propane) Outdoor Whole-House Tankless Water Heater

    Bosch Therm 940 ESO LP (Liquid Propane) - Outdoor

    Bosch Therm 940ESO-LP (Liquid Propane) whole-house outdoor tankless water heater

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

    Regular Price: $1,525.00

    Special Price: $1,245.00

    Details
  10. 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: $1,549.00

    Special Price: $1,289.00

    Details

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