Backflow - The undesirable reversal of flow of water or mixtures of water and other liquids, gasses or other substances into the drinking water system. Occurs due to a pressure differential between two points within a continuous fluid system.
Cross Connection - Any actual or potential connection between the drinking water system and any other source or system through which it is possible to introduce into the system any used water, industrial fluid, gas or substance other than the intended potable water.
The adopted plumbing code, Section 608-16-5 REQUIRES that the lawn irrigation system be protected against backflow by an atmospheric vacuum breaker , a pressure vacuum breaker assembly or a reduced pressure principle backflow prevention assembly .
Secondary Irrigation Water Supplemented with Drinking Water
Separate supply risers
Culinary line will be protected by a reduced pressure backflow preventer
Swing joint connected to irrigation line
Connected to either pressurized irrigation OR culinary, but not both at the same time
SPRINKLING SYSTEM PRESSURE IRRIGATION WATER RP SWING JOINT CONNECTION CITY WATER
CODE COMPLIANT BACKFLOW PREVENTION ASSEMBLY VALVE BOX The Utah plumbing code, Section 608-16-5, REQUIRES where ‘chemicals’ are introduced into the system, the water supply shall be protected against backflow by a reduced pressure principle backflow prevention assembly. CHEMICAL FEEDER