Mechanical Contracting & Plumbing January-December 1909 . A Shows Venting- at Trap Crown and,B Venting- Below Crown. been regularly inspected and illustration shows clearly why vent-ing from a short distance below thecrown of the trap is better than takingthe vent directly from the crown. Astill better method of venting a lava-tory is shown in Figure 2, which is theloop, or circuit, method, which seems tobe rapidly gaining ground in plumbingwork. These are some of the reasonswhy in this particular case it is better; It permits the use of the half-S trapinstead of the full-S trap, w
Mechanical Contracting & Plumbing January-December 1909 . A Shows Venting- at Trap Crown and,B Venting- Below Crown. been regularly inspected and illustration shows clearly why vent-ing from a short distance below thecrown of the trap is better than takingthe vent directly from the crown. Astill better method of venting a lava-tory is shown in Figure 2, which is theloop, or circuit, method, which seems tobe rapidly gaining ground in plumbingwork. These are some of the reasonswhy in this particular case it is better; It permits the use of the half-S trapinstead of the full-S trap, which is lesssubject to syphonage; the long outletarm of the full-S trap greatly increasesthe syphonage action; the vent is fartheraway from the seal of the trap thanwould be the case if it were taken di-rectly from the crown, this decreases the. A Hotter Method of Venting a Lavatory. evaporation of the water in the seal ofthe trap; the waste connection is shorterthan would be the case if the long-Strap were used and the waste taken tothe floor; by this method of combiningwaste and vent a separate entrance intothe main waste or soil pipe is alwaysavailable and the action of the otherfixutres in the bathroom has no effectupon the seal of the lavatory trap.—Domestic Engineering. THE REPAIR OF DEFECTIVEPLUMBING. Ll has long been a question in mymind just who should be held responsi-ble for damage done to plumbing fixturesi;: a premises—the tenant or the is so in almost everything else arounda house. There have been cases, nodcubt, where a tenat has a grievanceagainst the landlord of the property herents and as a revenge he has deliberate-ly injured a copper lined tub, broken thecloset valve, seat, or done some damageto place the owner to an expense andpossibly cause him to replace the fixtureswith new ones. No doubt
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