Cart Sump Pump Accessories & Check Valves Showing all 3 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low 1-1/4″ or 1-1/2″ Flexible Coupling Sump Check Valve $10.48 Add to cart 1-1/4″ MNPT x 1-1/2″ or 1-1/4″ Flexible Coupling Sump Check Valve $7.12 Add to cart 1-1/4″ MNPT x 1-1/4″ Barb or 1-1/2″ ABS Slip Sump Check Valve $2.99 Add to cart