Swimming pool skimmer winterizing plug

Details Swimming pool skimmer winterizing plug Swimming pool skimmer winterizing plug

1992-06-15

1993-07-06

Hruskoci, Peter

Liquid purification or separation

Structural installation

Closed circulating system

138 27, 4496, 4512, E04H 414

Patent

active

052250750

ABSTRACT:
A winterizing plug for water lines of a swimming pool is disclosed. The winterizing plug cooperates with a port in the skimmer to displace water in the line and reduce the possibility of damage thereto. Water is displaced by means of air pressure maintained within the line.

REFERENCES:
patent: 4281422 (1981-08-01), Simonelli
patent: 4368550 (1983-01-01), Stevens
patent: 4561134 (1985-12-01), Mathews et al.
patent: 4752979 (1988-06-01), Goacher, Sr.
patent: 4808081 (1989-02-01), Finley

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