Anti-siphon frost free faucet

Details Anti-siphon frost free faucet Anti-siphon frost free faucet

1989-09-18

1990-03-20

Nilson, Robert G.

Fluid handling

Self-proportioning or correlating systems

Supply and exhaust type

137218, 137360, F16K 2402

Patent

active

049092707

ABSTRACT:
An anti-siphon frost free faucet having a neck portion that includes an anti-siphon back flow preventer interposed between the neck and a hose, a water drain means positioning at the lowest point in said faucet to facilitate complete water drainage of said faucet when a supply of water to said faucet is turned off and an air vent means on said faucet operable when said supply of water is turned off to allow air into said faucet to assure optimum pressure operate said drain means.

REFERENCES:
patent: 3424189 (1969-01-01), Woodford
patent: 4117856 (1978-10-01), Carlson
patent: 4700732 (1987-10-01), Francisco
patent: 4821762 (1989-04-01), Breneman

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