FEBCO 905511 #1 CHECK REPLACEMENT KIT LF860/LF880
FEBCO 905603 LFRK 860/880 VT 2 1/2" - 10"
COMPLETE RELIEF VALVE INTERNAL REPAIR KIT FOR SIZES 2 1/2" - 10" FOR MODELS LF860 AND LF880.
THIS WILL NOT WORK IN THE ORIGINAL 860 AND 880 MODELS