Febco 1" 850/860 1st & 2nd Check Rubber Repair Kit
Details
Details
Febco: 905343 - 1" First and Second Check Rubber Repair Kit for 850/850U DC, 860/860U/880/880U RP
Kit Includes: 2 Seat O-Rings, 2 Seat Discs, Cover O-Ring, Tailpiece O-Ring
Manufacturer: Febco
Size: 1 Inch
Product model: 850 / 850U / LF850 / LF850U, 860 / 860U / LF860 / LF860U
Size: 1 Inch
Product model: 850 / 850U / LF850 / LF850U, 860 / 860U / LF860 / LF860U
https://www.youtube.com/embed/czBtY0zjLb0 Specification Sheet for 850 Freeze Protection Guide 
FEBCO MasterSeries® LF850 Maintenance & Repair