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AMRK-D-4200, 2nd Check Assembly, DC 2-4 IN, For Deringer
Item #: AMRK-D-4200
Supplier #: RK-D-4200
This 2 to 4 inch second check valve assembly can be used on the Deringer 20-50 models. They are designed for sizes 2, 2 ½, 3 and 4 inch sizes and come pre-assembled from the factory ready for installation. This assembly comes with full check, cover seal O-ring, and retainer bolt O-rings.