Sign up and use coupon code VETERANOWNED to save 10% on your first order
Cart ():
Close Cart preview ()
Close Menu

Bosch 7703311075 Therm 940 ES NG 199,000 BTU Input Tankless Water Heater (Natural Gas)

SKU kpi041-7703311075
  • 30-day returns
  • Fast shipping
  • Secure payments
  • Over 300,000 products

Product details

SKU: kpi041-7703311075
Manufacturer: Bosch Water Heater
Manufacturer Part Number: 7703311075
Capacity: 199000 BTU
Shipping Weight: 80
Depth: 11.25
Width (inches): 17.875
Height (inches): 30.5

Product description

Bosch Therm 940ES NG / ProTL 199N (Natural Gas) Tankless Water HeaterAt 199,000 maximum BTUs the Bosch 940 ES NG (Natural Gas) is our highest capacity non-condensing tankless water heater. The Bosch Therm 940ES-NG was designed to meet the demands of busy households and offers the premium features you expect from Bosch. This model can be installed almost anywhere thanks to its sealed combustion and dual-fan technology.

It features an electronic ignition system and requires either 3 inch or 4 inch diameter stainless steel vent pipe and can be vented either through the side wall or up through the roof.This heater is Energy Star rated.This heater comes with built-in freeze protection and a water filter that is externally accessible, but does not come with a PRV.The Bosch Therm 940ES-NG / ProTL 199N is the direct replacement for the Bosch GWH 715 ES NG and the Bosch AquaStar 2700ES-NG.


  • 11 maximum gallons per minute, 199,000 BTU natural gas tankless water heater
  • Operates at up to a 98% thermal efficiency and is ultra-low NOx compliant
  • Designed for whole-house water heating, on demand and with no interruptions
  • Supports up to a 180°F water output
  • Easy-read digital display for accurate temperature setting
  • Compact and light weight, a true space-saving solution with a simplistic installation design that is plug-n-play
  • Built-in WiFi connection to be controlled from the Bosch app

Additional Information

Gas TypeNatural Gas
Product TypeWhole House
Heater StyleTankless
Capacity @ 35 Deg F Temp Rise (GPM)9.4
Capacity @ 45 Deg F Temp Rise (GPM)7.2
Capacity @ 55 Deg F Temp Rise (GPM)6
Maximum Input (BTUs)199000
Minimum Input (BTUs)19900
Maximum Output (BTUs)160500
Minimum Output (BTUs)18300
Altitude Test (Ft)8000
Temperature Range (Deg F)100 - 140
Venting OptionsCat III Stainless Steel
Venting Diameter (Inches)3 or 4
Vent Maximum Run (Ft)61.25
Gas Connection (Inches)3/4 NPT
Water Connections (Inches)3/4 NPT
Activation Flow Rate (GPM)0.5
Water Pressure Rating (PSI)30 - 150
Energy Factor0.83
Thermal Efficiency (%)82
Electrical Requirements (AMPS / V)<=2.50/120
Remote ControlOptional Wireless TSTAT2 Available

Customer Reviews


We don't have any reviews, yet. Be the first to review this item.

Review this product

Bosch 7703311075 Therm 940 ES NG 199,000 BTU Input Tankless Water Heater (Natural Gas) Overall rating
Required fields