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Gas Tankless Water Heaters
Therm 940 ESO
Energy Efficient
Outdoor design for maximum space savings
Therm 940 ESO
Product Overview
The 940 ESO is equipped with everything the plumbing contractor needs for outdoor installation including a digital control panel cover. An optional recess box is available which allows the entire unit to be recessed flush with your home’s exterior. The rugged steel recess box accommodates a lock and can be painted for a customized appearance.
Features & Benefits
- Outdoor installation with freeze protection
- 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, radiant floor 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 recess box and wireless remote control available
Warranty
15 year limited warranty on heat exchanger
3 year warranty if used in direct recirculating applications
15 year warranty if used if recirculated through a storage tank such as the Ariston mini-tank
5 year warranty on all other parts
Bosch Warranty Details
| Therm 940 ESO | Specifications |
|---|---|
| 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 | 0.5 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 | 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 | n/a |
| Vent Maximun Run | n/a |
| Energy Star Rated | Yes |