The AllPoints Foodservice Parts & Supplies 561438 Check Valve is designed for optimal performance in Henny Penny fryers, including models ODS-100, ODS-300.02, ODS-300.03, OEA-341, OEA-342, OFE-290, OFE-291, OFE-321, OFE-322, OFE-323, OFE-341, OFE-342, OFG-321, OFG-322, OFG-323, OFG-341, OFG-342, OFG-390, OFG-391, OGA-341, OGA-342, PFE-590, PFE-591, PFE-592, PFG-690, and PFG-691. This 3/4" FPT in/out check valve ensures reliable fluid control, preventing backflow and maintaining efficient operation. Its durable construction guarantees longevity, making it an essential component for maintaining the performance of your fryer.