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Gas Tankless Water Heaters
Therm 830 ES
Energy Efficient
Therm 830 ES
High capacity, lower BTU, non-condensing technology
Product Overview
Eligible for up to $300 Federal Tax Credit
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 supports Intelligent Cascading, up to 24 units, so it’s a perfect solution for big commercial applications.
Features & Benefits
- Suitable for residential or commercial applications
- 83%+ thermal efficiency
- 175,000 BTU maximum input
- 8.3 gallons per minute capacity at 35F degree rise
- Cascade up to 24 units to satisfy jobs of all sizes; up to 199 GPM
- 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 tank loading, solar thermal, recirculation, radiant floor and space heating applications
- Space saving design with 100% serviceable parts and easy access
- Available in NG and LP models
Warranty
2 year limited warranty on heat exchanger if the high temperature kit is installed
5 year limited warranty on all other parts
Bosch Warranty Details
| 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 |