The large neck opening permits easier recharging

Operating Frequency: 120 Hz

Measuring 8-3/16 inches in width by 4-13/16 inches in height

Cross Reference: Century 02

Just wedge plug in drain for an easy alternative to permanently sealing your drains with cement

Milwaukee Valve Check Valve, 3 in, Single, Inline Swing, Cast Iron, Flange x Flange - 2974-M 3 Bowl Shape-Corner The large neck opening permitsCast Iron,Bronze seats and disc.,Meet MSS SP 71 and ASTM B16. 1 standards.,Flanged End Swing Check Valves,Allow flow in only 1 direction to prevent backflow; Mount horizontally, except cast iron models mount vertically or horizontally.