King Brothers 1001-12/KC1250T PVC Spring Check Valve, 1-1/4" FipHighlights: Size: 1 1 4" PVC FIP X FIP Reinforced Poppet Schedule 40 For preventing back flow and keeping prime in water systems 1 2 pound spring gives positive seal with no back pressure High impact PVC type II material for use in hot or cold fluid systems up to 140 deg. F 150 PSI working pressure at 73 deg. F WARNING: This product can expose you to chemicals including Vinyl chloride, which is known to the State of California to cause cancer and