For extreme moisture or outdoor exposure

forcing an inspection of potential root causes like clogged filters or blower failure

This specific part number typically includes the rubber O-ring gasket required to create a watertight seal at the mounting flange

If your installation requires the full venting kit

ASCO 304-089 Rebuild Kit Refrigerant For extreme moisture or outdoorThe ASCO 304 089 Rebuild Kit is a comprehensive maintenance solution engineered specifically for ASCO 8344 4 way solenoid valves. This factory authorized kit is essential for restoring the integrity of 3 8 inch NPT pilot operated valves used in demanding pneumatic and hydraulic control circuits. Designed to handle AC voltage configurations, the kit includes precision machined internal components such as high grade NBR (Nitrile) diaphragms and O rings,