Bosch Therm 940 ESO LP Tankless Water Heater, Liquid Propane 199,000 BTU Max Non-Condensing Whole House - Outdoor, 9.4 GPM

SKU: 826554
Brand: Bosch Model: Therm 940 ESO LP Condition: New

Bosch Therm 940 ESO LP Gas Tankless Water Heaters

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Bosch has become the name you trusted for water heating and plumbing for over 125 years. With their dedication to service and quality, their products are an exceptional depiction of their standards. With their patented heat burner design exclusive only to their water heaters, Bosch has been the name for outstanding durability and product life expectancy. To create even longer lifespans and ease of use, all of Bosch's parts are 100% serviceable and very easy to maintain. This allows for Bosch units to withstand the test of time, and to perform for many years to come.

The Bosch C940ESOLP utilizes liquid petroleum (propane) as a primary heating element, producing up to 199,000 BTUs/hour. Bosch's standard for efficiency is the industry leading, allowing for the Bosch non-condensing water heater to maintain a 83% thermal efficiency with a 0.83 energy factor. You'll be able to enjoy continuous running hot water without the costly effects. Not only that, but this unit utilizes less energy than a conventional water heater. Moreover, the Bosch C 940 ESO LP can be paired to work congruently with up to 24 units with its intelligent cascading feature. For commercial applications that require greater amounts of heat, the Bosch C 940 ESO LP can also be paired with a high temperature kit which allows for maximum temperatures of up to 184° F. With a 9.4 gallon per minute rise at 35° F and the ability to work in altitudes of up to 8000 ft., the Bosch C940ESOLPallows for use within commercial and residential applications

The Bosch C 940 ESO LP can be used in outdoor applications to best suit your needs. This unit can also work congruently with solar, thermal or recirculation applications. With a product lifespan expectancy of over 20 years and ease of serviceability, Bosch ensures your application to have continuous hot water for many years to come. Bosch backs all these claims with an industry leading 15-year warranty.

Additional Information:


• Suitable for Outdoor use
• 83% thermal efficiency
• 199,000 BTU maximum input
• 9.4 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
• Can be used in solar thermal, recirculation applications
• Intelligent Cascading that links up to 24 units to satisfy applications of all sizes
• Energy Star Certified
• Built for durability and serviceability with 15 Year Warranty and 20+ Years Product Life Expectancy


• Condensing/Non-Condensing: Non-Condensing
• Application: Residential or Commercial
• Max Input (BTU): 199,000
• Min Input (BTU): 19,900
• Capacity at 35°F Rise (gpm): 8.3
• Capacity at 55°F Rise (gpm): 5.3
• Intelligent Cascading: No
• Min Flow Rate: 0.50 gpm
• Temp Range (°F): 100 - 140
• Temp Stability (°F): +/- 2
• Default Temp (°F): 120
• Energy Factor: .83
• Thermal Efficiency: 83%
• Installation Options: Outdoor
• Dimensions (w x h x d): 18" x 30" x 11"
• Weight (lbs.): 67
• Inlet Connection: 3/4" NPT
• Outlet Connection: 3/4" NPT
• Gas Connection: 3/4" NPT
• 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

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Questions & Answers

Whats the difference between condensing and non-condensing. Whichis bwttwr foe single home. This unit doesn't require a vent? thanks Jim

by james N. on 09-24-2013

Condensing Tankless Water Heaters extract the additional heat from the exhaust gases through various means and therefore exhaust cooler gases, usually around 100 degree F.A Non-Condensing tankless water heater will push these hot gases through its vent to the outside. They will then cool down outside the unit. These gases have temperatures around 300 degrees F

on 10-18-2013
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