Self-contained, automatic primer valve for sewer line drain...

Details Self-contained, automatic primer valve for sewer line drain... Self-contained, automatic primer valve for sewer line drain...

E - Fixed Constructions

03

F

137/24

E03F 7/00 (2006.01) E03D 5/12 (2006.01)

Patent

CA 1114715

ABSTRACT OF THE DISCLOSURE A primer valve for sewer line drain traps comprises a case having an upper water inlet communicating with the pressurized house line and a lower water outlet communicating with the trap. The hollow interior of the case is divided into a lower valved dispensing chamber which dispenses water into the trap; an inter- mediate supply chamber which supplies water to the primer valve system, and an upper trapped-air chamber. The latter actuates the valve in the dispensing chamber and dispenses water to the trap each time the pressure in the house line drops.

340740

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