The Spec-Check utilizes spring check valve technology to create a true check valve with a 4 PSI cracking pressure.This saves water by eliminating low head drainage for up to a 9.25 foot elevation change. The combination of the Spec-Check along with GPH’s GPST & GPCB ensures that your system will operate at the highest level of performance and efficiency.
PC - GPH’s GPST & GPCB Technology Ensures Total Pressure Compensation From 5 psi. to 50 psi. Without The Problems Associated With Other Brands Of Check Valve Emitters.
Spec-Check's 4 psi Internal Spring Check Valve Helps Prevent Drainage and Maintains Up to A 9.25’ Column Of Water.
Anti-Siphon Operation Prevents Contamination From Back Flowing Into Line.
Click on an image to enlarge