Bosch Therm 830 ES – Gas Tankless Water Heater

Gas Tankless Water Heater
BTU: 19,900 - 175,000

Household Capacity: 8.3 gallons per minute capacity at 35F degree rise

Product Features:

Therm 830 ES
High capacity, lower BTU, non-condensing technology

Product Overview
The 830 ES is another new model from Bosch that offers advanced software, safety and precision controls but requires only 175,000 BTU/Hr input. The 830 ES is ideal for busy households yet is also designed to support Intelligent Cascading, up to 24 units for larger homes.

Therm 830 ES Specifications
Condensing/Non-Condensing       . 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 – 140
Temp Stability (°F) +/- 2
Default Temp (°F) 122
Energy Factor .83
Thermal Efficiency 83%+
Installation Options Indoor or Outdoor (for outdoor, kit required)
Dimensions (w x h x d) 17 7/8″ x 31½” x 11¼”
Weight (lbs.) 67
Inlet Connection ¾” NPT
Outlet Connection ¾” NPT
Gas Connection ¾” NPT
Max Water Pressure 150 psi
Min Water Pressure 30 psi
Min NG Presure 3.5″ WC
Condensing Heat Exchanger n/a
Venting Options Stainless Steel
Vent Maximun Run 61.5′
Energy Star Rated Yes

Features & Benefits
•  83%+ thermal efficiency
•  175,000 BTU maximum input
•  8.3 gallons per minute capacity at 35F degree rise
•  Minimum activation flow rate of 0.5 gallons per minute
•  Electronic ignition and patented burner design
•  Exclusive safety and precision controls
•  Built in freeze protection
•  Vents vertically or horizontally with 3” or 4” stainless steel
•  Can be used in solar thermal, recirculation, and space heating applications
•  Built for durability and serviceability with 15-year warranty and 20+ year life expectancy
•  Available in NG and LP models
•  Optional pipe cover and wireless remote control available
•  Mobile home certified

•  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
•  5 year warranty on all other parts