Description Manuals Videos Articles Popular Accessories Clemco 02436 - Stud FSV Item # 14 Sentinel Valve Item # 32 Customers Also Viewed O-ring, 7/8 inch OD x 5/8 inch ID #21165 $4.02 Gauge Unit for FSV & Sentinel Valves #02433 $35.83 Clemco 1-1/2 inch Inlet Valve Service Kit #01927 $50.46