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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: $1,999.00

    Details
  2. 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: $1,999.00

    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: $1,875.00

    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: $1,875.00

    Details
  5. USED Bosch Therm 520 HN NG (Natural Gas) Whole-House Tankless Water Heater

    USED Bosch Therm 520 HN NG (Natural Gas)

    PREVIOUSLY INSTALLED (BUT NOT USED) Bosch Therm 520HN-NG (Natural Gas) whole-house tankless water heater

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

    Regular Price: $1,999.00

    Special Price: $1,749.00

    Details
  6. Bosch Therm 520 PN LP (Liquid Propane) Whole-House Tankless Water Heater

    Bosch Therm 520 PN LP (Liquid Propane)

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

    117,000 BTUs, Standing Pilot Light, 5" B-Vent exhaust
    NOT FOR SALE IN CALIFORNIA Learn More

    Regular Price: $1,899.00

    Special Price: $1,495.00

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

    Bosch Greentherm T 9800 SE 199 NG / LP -- COMING SOON -- TAKING PRE-ORDERS NOW!

    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, PVC exhaust, Energy Star, Natural Gas or Liquid Propane Learn More

    Regular Price: $1,699.00

    Special Price: $1,299.00

    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 -- COMING SOON -- TAKING PRE-ORDERS NOW!

    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, PVC exhaust, Energy Star, Natural Gas or Liquid Propane Learn More

    Regular Price: $1,599.00

    Special Price: $1,199.00

    Details

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