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 20
are set to drain back into the boiler. If at any place the pipe isso graded that a part of the water is retained, poor circulationwill result, because of the restricted area of the pipe, and theradiators will not be properly heated. This lack of drainage isalso a common cause of hammering and… … Fig. 4.—The gravity system steam heating plant installed in a dwelling. rapidly. The condensation of the steam is so rapid and completethat the resulting vacuum draws the trapped water into thespace with the force of a hammer stroke. The hammering willcontinue so long as the conditions exist. The…
Heating · Lighting · Plumbing
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