Commercial Hydronic Radiators
Hot Spring
 
			General
Brilliantly imaginative, the mesmerizing and stylish design of the Hot Spring captures a tightly coiled elegance in reflected light.
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| Model: | HOT 60 | HOT 180 | 
| Heat Output: | ||
| Hydronic Heat Output @180°F | 1975* BTUH | 6681* BTUH | 
| *chrome finish reduces radiator output by 20% | ||
| Pair of chrome angle shut-off valves included |  | |
Calculating BTUH Output for Different Water Temperatures
The BTUH outputs are listed for 180° water. The following chart may be used to calculate the BTUH outputs for different water temperatures:
| Water Temperature | Multiply the Listed BTUH output (180°) by: | 
| 120° | 0.38 | 
| 130° | 0.48 | 
| 140° | 0.57 | 
| 150° | 0.67 | 
| 160° | 0.78 | 
| 170° | 0.89 | 
| 180° | 1 | 
| 190° | 1.13 | 
To size the radiators it is necessary to calculate a house’s heating requirement. This calculation measured in BTU/Hour should be done on a room-by-room basis either by a heating contractor or qualified plumber. The following are some estimates of Heat Requirements for Sample Cities:
| City: | BTUH per sq. foot: | 
| Boston | 40 | 
| Chicago | 40 | 
| Denver | 40 | 
| New York City | 40 | 
| Philadelphia | 35 | 
| Portland, OR | 25 | 
| San Francisco | 25 | 
| Seattle | 25 | 
| Toronto | 40 | 
| Washington, D.C. | 35 | 



