Public water system protection apparatus
First Claim
1. A public water system protection apparatus comprising:
- a single unit comprising;
a stop valve;
a check valve in fluid communication with the stop valve; and
wherein the apparatus is configurable to couple underground at a depth below the frost line to a customer water line and to prevent back flow into a water main.
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Accused Products
Abstract
The disclosed apparatus relates to a public water system protection apparatus comprising: a single unit. The single unit comprises: a stop valve; and a check valve in fluid communication with the stop valve. The apparatus is configurable to couple to a customer water line and to prevent back flow into a water main. A public water system protection system comprising: a water main in fluid communication with a public water system; a customer water line in fluid communication with the water main and in fluid communication with a customer location; a public water system protection apparatus coupled to the customer water line and in fluid communication with the water main and in fluid communication with the customer location, and where the public water system protection apparatus comprises: a single unit. The single unit comprises: a stop valve; a check valve in fluid communication with the stop valve; and wherein the public water system protection apparatus is configured to prevent back flow into a water main.
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Citations
13 Claims
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1. A public water system protection apparatus comprising:
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a single unit comprising;
a stop valve;
a check valve in fluid communication with the stop valve; and
wherein the apparatus is configurable to couple underground at a depth below the frost line to a customer water line and to prevent back flow into a water main. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A public water system protection system comprising:
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a water main in fluid communication with a public water system;
a customer water line in fluid communication with the water main and in fluid communication with a customer location;
a public water system protection apparatus coupled underground at a depth below the frost line to the customer water line and in fluid communication with the water main and in fluid communication with the customer location;
wherein the public water system protection apparatus comprises;
single unit comprising;
a stop valve;
a check valve in fluid communication with the stop valve; and
wherein the public water system protection apparatus is configured to prevent back flow into a water main.
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Specification