Duco® A18542 Large Diaphragm 6-Hole Replacement Part for Ajax Water Pumps | Compatible with Model #JA18542 | Ideal for Home Plumbing & Irrigation Systems

Duco® genuine replacement parts are manufactured to the same standards as the parts that came installed in your original equipment.

This is a direct replacement large diaphragm to effectively put an end to a malfunctioning regulator. Commonly used on Ajax machines. Made of premium rubber materials.