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Bosch Gas Tankless Water Heaters Therm 830 ES
A Gas tankless solution for large sized residential applications
Bosch Therm 830 ES Gas tankless water heaters Bosch Therm 830 ES
Bosch's Pro 830 ES, is the highest capacity non-condensing model was designed to meet the demands of busy households, and offers premium features you expect from Bosch. This model can be installed almost anywhere thanks to its sealed combustion and dual-fan technology

This Bosch Therm 830 ES Gas Tankless Water Heaters is only sold to Licensed Installers.

For Licensed Installers - click here to purchase the Bosch Therm 830 ES

For Retail Bosch Tankless Water Heater - Click Here!



Bosch 830 ES Specifications:
  • Type - Non-Condensing
  • Application - Residential or Commercial
  • Max Input (BTU) - 175,000
  • Min Input (BTU) - 19,900
  • Capacity at 35 (°F) Rise (gpm) - 8.3
  • Capacity at 55(°F) Rise (gpm) - 5.3
  • Intelligent Cascading - Yes
  • Min Flow Rate - 0.5 gpm
  • Temp Range (°F) - 100 to 140
  • Temp Stability (°F) - +/- 2 °
  • Default Temp (°F) - 122
  • Energy Factor - 82%+
  • Thermal Efficiency - 83%+
  • Installation Options - Indoor or Outdoor with outdoor kit
  • Dimensions (w x h x d) - 17 7/8" x 31 1/2" x 11 1/4"
  • Weight (lbs.) - 67
  • Inlet Connection - ¾" NPT
  • Outlet Connection - ¾" NPT
  • Gas Connection - ¾" NPT
  • Max Water Pressure - 150 psi
  • Min Water Pressure - 13 psi
  • Min NG Presure - 3.5" WC
  • Venting Options - Stainless Steel CAT III
  • Energy Star Rated - Yes


Bosch 830 ES Features:
  • 83%+ thermal efficiency
  • 175,000 BTU maximum input
  • 8.3 gallons per minute capacity at 35F degree rise
  • Electronic ignition
  • Minimum activation flow rate of 0.5 gallons per minute
  • Vents vertically or horizontally with 3" or 4" CAT III stainless steel
  • 15 year limited warranty on heat exchanger; 3 year warranty if used in direct recirculating applications
  • 15 year warranty on heat exchanger if used if recirculated through a storage tank such as the Ariston mini-tank
  • Warranty 5 years on all other parts
  • Available in NG and LP models


View all Bosch Manufactured Products here

See Bosch 830 ES Models - click here

Bosch 830 ES PDF Manuals
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