Jabsco Joker Valve - 37010/QF/DSJabsco Joker/Check Valve Kit is a replacement service kit designed to maintain proper sealing and discharge performance in compatible marine toilet systems. It helps ensure reliable operation by regulating flow and preventing backflow within the discharge assembly.This kit installs inside the discharge elbow and pump cylinder connection, restoring proper function to worn or aging components.Key Features: Replacement joker/check valve kit; Helps maintain proper discharge and sealing performance; Prevents backflow within marine toilet system; Direct-fit service component; Designed for easy replacement and maintenance; Specifications: Application: Marine toilet discharge system; Installation Location: Discharge elbow and pump cylinder connection; Compatibility: 37010 Series Marine Toilets; 37045 Series Marine Toilets; 37075 Series Marine Toilets; 37085 Series Marine Toilets; 37245 Series Marine Toilets; 37275 Series Marine Toilets; 37055 Electric Conversion Kits; 37255 Electric Conversion Kits;