Sewer line multiple trap priming system and method

Details Sewer line multiple trap priming system and method Sewer line multiple trap priming system and method

E - Fixed Constructions

03

F

E03F 7/00 (2006.01) E03C 1/296 (2006.01)

Patent

CA 2174581

A sewer line multiple trap priming system comprises a house line and a plurality of branch lines all communicating with each other and supplied with water under pressure. A plurality of makeup priming water lines are connected, one to each of the traps. In all but one of the branch lines pressure sensitive valves interconnect the branch lines and the makeup priming water lines. Upon a change in pressure in the branch lines by a predetermined increment, these valves are operable, to inject a charge of priming water into the priming water lines and hence into the traps. In said one of the branch lanes, from time to time valve means withdraws water from the communicating branch lines in amount sufficient to exceed the pressure change increment and thereby operate the pressure sensitive valves. This insures the transmission of an adequate charge of priming water to the traps at all times.

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