The highest performance, fully condensing gas tankless water heater from Bosch. Unlike traditional non-condensing models, condensing technology captures heat from the exhaust gas and uses it to preheat the incoming cold water. This increases efficiency and reduces emissions – well ahead of the 2012 Low NOX emissions standards set by SCAQMD (California’s South Coast Air Quality Management District).
Therm C 1210 ES Specifications:
- Condensing
- Residential or Commercial Application
- Max Input (BTU) 225,000
- Min Input (BTU) 25,000
- Capacity at 35°F Rise (gpm) 12.1
- Capacity at 55°F Rise (gpm) 7.7
- Intelligent Cascading Up to 24 Units
- Min Flow Rate 0.5 GPM
- Temp Range (°F) 100-140
- Temp Stability (°F) +/- 2
- Default Temp (°F) 122
- Energy Factor .94
- Thermal Efficiency 94%
- Installation - Indoor or Outdoor (for outdoor, kit required)
- Dimensions (w x h x d) 17 7/8" x 30½" x 11¼"
- Weight (lbs.) 88
- 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, Stainless Steel
- Vent Maximun Run 63'
- Energy Star Rated
Features & Benefits:
- Up to 98% thermal efficiency
- 225,000 BTU maximum input
- 12.1 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
- Built in freeze protection
- Direct vent, vertically or horizontally with PVC, CPVC or ABS-DWV
- Concentric and twin pipe venting options
- Can be used in solar thermal, recirculation, and space heating applications
- Built for durability and serviceability with 15-year warranty and 20+ year life expectancy
- Available in NG and LP models
Warranty:
- 15 year limited warranty on heat exchanger
- 3 year warranty if used in direct recirculating applications
- 15 year warranty on heat exchanger if used if recirculated through a storage tank such as the Ariston mini-tank
- 5 year warranty on all other parts
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