Modern plumbing illustrated; a comprehensive and thoroughly practical work on the modern and most approved methods of plumbing construction .. . ge directly into the drainagesystem or sewer is that the steam rising from it produces sewerpressure, against which all possible precautions should be over 120 degrees in temperature should not be dischargedinto the sewer, owing to the result which may follow in the forma-tion of steam. The drainage from hot-water heating systems and from low-pressure steam-heating systems may, however, be connected directlyinto the drainage system, if pro
Modern plumbing illustrated; a comprehensive and thoroughly practical work on the modern and most approved methods of plumbing construction .. . ge directly into the drainagesystem or sewer is that the steam rising from it produces sewerpressure, against which all possible precautions should be over 120 degrees in temperature should not be dischargedinto the sewer, owing to the result which may follow in the forma-tion of steam. The drainage from hot-water heating systems and from low-pressure steam-heating systems may, however, be connected directlyinto the drainage system, if properly trapped, without entering acondensing tank. The drainage from hydraulic elevators, lifts, and other similarapparatus which is direct connected, should not be discharged directlyinto the drainage system, but should first enter a tank, in order thatit may be discharged from that point into the sewer without used for this purpose should be trapped and vented and pro-vided with a back-pressure valve. Plate X THE STALL SINK—HORSE TROUGH-FROST-PROOF WATER CLOSETS R/ol-iZ. iO. A?v /^r-S--^) \^\ r^g>df4-X^ (S^ f-v^l {?. F^2 oisJzi 2SQ <=i^erStall <^2%H
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