Weil McLain 590-317-495 Gasket 321702-401 Optimized Airflow: Maintains the specific
Baker’s notes & crumb story
Description
Weil McLain 590 317 495 Gasket 321702 401 Optimized Airflow: Maintains the specific Optimized Airflow: Maintains the specific internal volume and port sizing required for accurate pressure switch readings Precision Specs: Exact 1 2 inch shaft diameter and 48Y frame alignment eliminate the need for field modifications during installation