Use this in-line spring-loaded ball check valve to maintain prime in supply (suction) lines for pressurized water systems and both manual and electric head saltwater intake lines.
• Helps maintain pump prime
• Stops unwanted backflow of water
• For use in 3/4" hose lines
• Not for use on the pressure (outflow) side of pump lines
• Note: shown disassembled - the hose barb/spring/ball fitting screws into the far side of the "tee" to create an in-line fitting