“Jaeco FRAM 511 Duplex Pump Maintenance Kit” has been added to your cart. View cart $3.75 JaecoFram O-Ring, Adjuster - JaecoFram O-Ring, Adjuster quantity + Add to cart SKU: 00064-P161 Category: JaecoFram Replacement Parts Description O-Ring, Adjuster for JaecoFram Model 519, Drawing #519 Related products Jaeco FRAM 519 Simplex Pump Maintenance Kit & Double Ball Check Valves $453.08 Add to cart JaecoFram 3/8″ Check Valve Assembly Double Ball With Spring Alloy 20 $198.75 Add to cart JaecoFram 3/8″ Check Valve Assembly Double Ball Alloy 20 $198.75 Add to cart Previous Next 877.778.3456 Request A Quote