Designed for any system where back flow is not desired
Complies with all applicable ASTM and ANSI standards
KC-1500-S and KC-2000-S are UL recognized spa component
1/2 pound spring gives positive seal with no back pressure, reinforced Poppet
WARNING: This product can expose you to chemicals including Vinyl chloride, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.p65Warnings.ca.gov/