Bosch 120V, Therm Non-Condensing Tankless Water Heater for 2-3 Bathrooms, Outdoor - Natural Gas

Product Information:

About the Bosch 120V, Therm Non-Condensing Tankless Water Heater for 2-3 Bathrooms, Outdoor - Natural Gas

Bosch exudes utmost prestige with its dedication to quality and efficiency. With over 125 years of service, Bosch has become the leading name in water heating products. Leading the industry with innovation, Bosch has created newer technologies to increase product life, greater efficiency and greater quality. Bosch’s products today are a pure depiction of their dedication over the past 125 years.

The Bosch 660EFONG is an outdoor water heater unit that utilizes natural gas to produce 140,000 BTUs per hour. Although compact in size, the heating element allows for a supply of continuous running water for a sink and a shower simultaneously used. With a 6.6 gallon per minute capacity at 35°F rise, the Bosch 660 EFO NG allows for quick, hot water transfer. All these great features do not compromise the energy saving capability of this unit with its 0.82 energy factor and its 83% thermal efficiency. The Bosch 660 can be used in both residential and commercial applications with its temperature range from 100°F to 160°F.

The Bosch 660 EFO NG is versatile enough to be used with recirculation, thermal and solar configurations to suit your applications. For safety measures, the water heater can be used in altitudes of up to 4,500 ft. All these great features are backed by the Bosch’s industry leading 15 year warranty and the product life expectancy of over 20 years. With the intelligent design to make the parts all 100% serviceable on the Bosch 660 EFO NG, this may be the last water heater you’ll ever purchase.

Additional Product Information:
Manufacturer Product Manual (PDF)

Features:

• Suitable for Outdoor use
• 83% thermal efficiency
• 140,000 BTU maximum input
• 6.6 gallons per minute capacity at 35F degree rise
• Minimum activation flow rate of 0.5 gallons per minute
• Patented burner design
• Exclusive safety controls
• Can be used in solar thermal, recirculation applications
• Energy Star Certified
• Energy Star Certified
• Built for durability and serviceability with 15 Year Warranty and 20+ Years Product Life Expectancy

Specifications:

• Condensing/Non-Condensing: Non-Condensing
• Application: Residential or Commercial
• Max Input (BTU): 140,000
• Min Input (BTU): 20,000
• Capacity at 35°F Rise (gpm): 6.6
• Capacity at 55°F Rise (gpm): 4.2
• Intelligent Cascading: No
• Min Flow Rate: 0.50 gpm
• Temp Range (°F): 100 - 140
• Temp Stability (°F): +/- 2
• Default Temp (°F): 122
• Energy Factor: .82
• Thermal Efficiency: 83%
• Installation Options: Indoor
• Dimensions (w x h x d): 14" x 20 1/2" x 7"
• Weight (lbs.): 67
• Inlet Connection: 3/4" NPT
• Outlet Connection: 3/4" NPT
• Gas Connection: 3/4" NPT
• Min NG Pressure: 4" WC
• Max Water Pressure: 150 psi
• Min Water Pressure: 30 psi
• Condensing Heat Exchanger: N/A
• Venting Options: N/A
• Vent Maximum Run: N/A
• Energy Star Rated: Yes