AMRK-D-4200 (Ames-Deringer) | 2nd Check Assembly | DC 2-4 IN | For Deringer

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. | Ames-Deringer | AMRK-D-4200