Condensing technology with 96% thermal efficiency and ENERGY STAR rating
Installed in 24 hours!
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- Bosch Greentherm Efficient Tankless Water Heater provides improved energy factor to 0.95.
- With the introduction of an active bypass, it offers superior temperature stability.
- External condensate drain is not required for residential applications without recirculation.
- Offers new venting options.
- Affordable installation with approved use of ½” gas line.
Bosch Greentherm C1050ES
Gas Tankless Water Heaters are equipped with an automated and fully modulating bypass with condensing technology that provides unsurpassed DHW temperature stability and improved energy efficiency. This tankless gas water heater is also designed to capture the latent heat of the flue gases to make it more energy efficient by 10%.
To save space, the Bosch Greentherm C1050ES Tankless Water Heaters can be wall mounted while the technology only uses gas to heat the water when there is a demand. The Bosch Greentherm water heater offers a variety of different innovative features which ensures maximum performance with virtually endless hot water.
Greentherm C 1050 | Specifications |
| Condensing/Non-Condensing | Condensing |
| Application | Residential or Commercial |
| Max Input (BTU) | 199,000 |
| Min Input (BTU) | 19,900 |
| Capacity at 35°F Rise (gpm) | 10.7 |
| Capacity at 55°F Rise (gpm) | 6.8 |
| Intelligent Cascading | Yes |
| Min Flow Rate | 0.50 gpm |
| Temp Range (°F) | 100 – 140 |
| Temp Stability (°F) | +/- 2 |
| Default Temp (°F) | 122 |
| Energy Factor | 0.95 |
| Thermal Efficiency | 96% |
| Installation Options | Indoor or Outdoor |
| Dimensions (w x h x d) | 17.875″ x 30½” x 11¼” |
| Weight (lbs.) | 74 |
| 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 | Aluminum |
| Venting Options | PVC, CPVC, ABS, Cat III, Stainless Steel, Outdoor Kit and Polypropylene |
| Vent Maximun Run | 63′ |
| Energy Star Rated Yes | Yes |
| * 3 Years if used in direct recirculation applications | See full details in “Warranty” section |
- 15 year limited warranty on heat exchanger; 3 years warranty if used in uncontrolled recirculation application.
- 10 year warranty on heat exchanger if used in controlled recirculation applications.
- 10 year limited warranty on heat exchanger if used in a combination of DHW and hydronic forced air heat.
- 5 year parts warranty
- 1 year labor warranty.
Note: For full warranty information please contact Consumers Energy Management Inc. These warranties are for residential use only and some exclusion may apply.
Consumers Energy Management Inc. is Authorized Retailer of Bosch
