Wilkins: O-Ring for:
• 1 1/4" - 2" Check Seat O-Ring for a 950XL Double Check Assembly or 975XL Reduced Pressure Zone Assembly
• 8" - 10" Relief Valve Body O-Ring for a 375 / 375A / 375AST / 375DA / 375ADA / 375ASTDA / 475 / 475ST Reduced Pressure Detector Assembly
• 8" - 10" Cover Plate O-Ring for a 350 / 350A / 350AST / 450 / 450ST Double Check Assembly
