1.5 inch Union O-Ring

Type of product: Heater or pump 1.5 inch union O-ring Gasket / seal Most common size reference: 1.5 inch Dimensions: Approx thickness: 3mm Diameter: 55mm (external) Commonly used with: This O-Ring is the same as the one that is used in our 1.5" threaded socket union and with the union that fits the Waterway Iron Might pump, Aqua-flo Circ Master pump and the 50sq ft in line filter assembly.