Supplementary Document

New! Bosch Therm gas tankless water heaters
6 | 2011 Commercial water heating solutions
For additional product information and interactive sizing tools visit www.bosch-climate.us
* Outdoor installations require optional outdoor kit. 35°F capacity on C 1210 ESC, C 1050 and C 950 ES models is based on installation with
a mixing valve to overcome typical pressure loss through the water heater and system.
**Icon applies only to the C 1210 ESC models. ***Energy Star icon does not apply to C 1210 ESC models
Commercial
Series
Model/Part Number
C 1210 ESC NG /
C 1210 ESC LP
C 1050 ES
C 950 ES NG /
C 950 ES LP
940 ES NG /
940 ES LP
940 ESO NG /
940 ESO LP
830 ES NG /
830 ES LP
660 EF NG /
660 EF LP
660 EFO NG /
660 EFO LP
Applications
Commercial Commercial Commercial Commercial Commercial Commercial Commercial Commercial
Condensing / Non
Condensing Condensing Condensing
Non
Condensing
Non
Condensing
Non
Condensing
Non
Condensing
Non
Condensing
Max. Input
225,000 199,000 175,000 199,000 199,000 175,000 140,000 140,000
Min. Input
25,000 19,900 19,900 19,900 19,900 19,900 20,000 20,000
Thermal Efficiency
Up to 98% 92% 93% 83% 83% 83% 83% 83%
Capacity @ 35F Rise
12.1 10.5 9.2 9.4 9.4 8.3 6.6 6.6
Capacity @ 55F Rise
7.7 6.7 5.9 6.0 6.0 5.3 4.2 4.2
Energy Factor
N/A .92 .92 .83 .83 .83 .82 .82
Activation Flow Rate
0.5 GPM 0.5 GPM 0.5 GPM 0.5 GPM 0.5 GPM 0.5 GPM 0.5 GPM 0.5 GPM
Temp Range (F)
100-180 100-140 100-140 100-140 100-140 100-140 100 - 160 100 - 160
Temp Range with
High Temp Kit
N/A 100-184 100-184 100-184 100-184 100-184 N/A N/A
Installation Options
Indoor or
Outdoor*
Indoor or
Outdoor*
Indoor or
Outdoor*
Indoor Outdoor
Indoor or
Outdoor*
Indoor Outdoor
Altitude Tested
8,000 ft. 8,000 ft. 8,000 ft. 8,000 ft. 8,000 ft. 8,000 ft. 4,500 ft. 4,500 ft.
Venting Options
PVC,
CPVC, ABS,
Stainless Steel
PVC,
CPVC, ABS,
Stainless Steel
PVC,
CPVC, ABS,
Stainless Steel
Category lll
Stainless Steel
N/A
Category lll
Stainless Steel
Category lll
Stainless Steel
N/A
Vent
Maximum Run
63' 63' 63' 61.25'
N/A
61.25' 45' N/A
Water Pressure
Range
30 - 150 psi 30 - 150 psi 30 - 150 psi 30 - 150 psi 30 - 150 psi 30 - 150 psi 30 - 150 psi 30 - 150 psi
Water
Connections
¾" NPT ¾" NPT ¾" NPT ¾" NPT ¾" NPT ¾" NPT ¾" NPT ¾" NPT
Min. NG Pressure
3.5" WC 3.5" WC 3.5" WC 3.5" WC 3.5" WC 3.5" WC 4" WC 4" WC
Gas Connection
¾" NPT ¾" NPT ¾" NPT ¾" NPT ¾" NPT ¾" NPT ¾" NPT ¾" NPT
Dimensions
17.875 x
30.5 x 11.25
17.875 x
30.5 x 11.25
17.875 x
30.5 x 11.25
17.875 x
30.5 x 11.25
17.875 x
35 x 11.25
17.875 x
30.5 x 11.25
13.8 x
20.5 x 6.7
13.8 x
20.5 x 6.7
Weight (Lbs)
88 74 74 67 72 67 36 36
Heat Exchanger
Warranty
5 Years 2 Years 2 Years 2 Years 2 Years 2 Years 2 Years 2 Years
All Other Parts
5 Years 5 Years 5 Years 5 Years 5 Years 5 Years 5 Years 5 Years
Labor Warranty
1 Year 1 Year 1 Year 1 Year 1 Year 1 Year 1 Year 1 Year
ICON KEY:
Introducing Bosch Therm. Our newest line of tankless water heaters. This
expanded and advanced line includes efcient condensing and non-condensing
tankless water heaters with more compact models and greater installation
versatility - to satisfy all your commercial applications.
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