Cyclopedia of heating, plumbing and sanitation; a complete reference work . 109 100 HEATING AND VENTILATION i,i the bottom and How off through the return. Hot-water radiatorsarc usually tapped and plugged so that the pipe connections can hemade cither at the top or at the bottom. This is shown in Fig. 87. Wall radiators are adapted to hot-water as well as steam heating. Efficiency of Radiators. The efficiency of a hot-water radiatordepends entirely upon the temperature at which the water is circu-lated. The besl practical results arc obtained with the water leavingthe boiler at a maximum tempe
Cyclopedia of heating, plumbing and sanitation; a complete reference work . 109 100 HEATING AND VENTILATION i,i the bottom and How off through the return. Hot-water radiatorsarc usually tapped and plugged so that the pipe connections can hemade cither at the top or at the bottom. This is shown in Fig. 87. Wall radiators are adapted to hot-water as well as steam heating. Efficiency of Radiators. The efficiency of a hot-water radiatordepends entirely upon the temperature at which the water is circu-lated. The besl practical results arc obtained with the water leavingthe boiler at a maximum temperature of about ISO degrees in zeroweather and returning at aboul 160 degrees; this gives an average. ® O
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