Mechanics of the household; a course of study devoted to domestic machinery and household mechanical appliances (1918)
Keene, E. S. (Edward Spencer), b. 1864 · New York, McGraw-Hill book company, inc.; · leaf 132
water intothe supply pipe. This condition of things, then, acts as a safetyvalve to the tank to prevent excessive pressures. When the water at a high temperature is drawn from the tap aconsiderable part of it will instantly vaporize, because of thereduced pressure. If water at a pressure of 25… … Fig. 119.—Indepen-dent hot-water heaterwith temperature regu-lator. 122 MECHANICS OF THE HOUSEHOLD will continue to vaporize as it comes into the air until the waterin the tank is cooled by the incoming cold water. The onlymeans of relieving the overheated condition is to open the fauceta slight…
Heating · Lighting · Plumbing
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