Brechner, Claude H., 1887- [from old catalog] · Boston, New York [etc.] Allyn and Bacon · leaf 64
Figure 37. — A Kerosene Heater Used in Connection with thiHot-water Tank. HOT-WATER HEATING SYSTEM 53 Before the furnace is started, water is let in from the citymain until the whole system is full and water rises into theexpansion tank. Then the stop-cock is closed, so that nomore water can get in… … WaterMain Figure 38. — Diagram of a Hot-water Heating System. convection currents are set up through the pipes, causinghot water to flow through the radiators. The expansion tank is to protect the pipes from bursting.If there were no place for the water to go when the fire isstarted, the expansion…
Physics
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