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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 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: $2,199.00

    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: $2,617.00

    Special Price: $2,099.00

    Details
  3. 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: $2,199.00

    Special Price: $1,999.00

    Details
  4. 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: $1,939.00

    Special Price: $1,349.00

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  5. 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
  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 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
  8. 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

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