GRACO Industrial Diaphragm Pump - (SKU: SE1B.0309) weather-resistant material and serves as

weather-resistant material and serves as an identification and branding component for the sprayer unit

Carbon steel housing

Regularly check for leaks and proper operation

Compatible with select GRACO pressure washer models (specific models not listed in available documentation)

and fluid path components for longevity and hygiene

GRACO Industrial Diaphragm Pump - (SKU: SE1B.0309) weather-resistant material and serves asThe GRACO SE1B. 0309 is a diaphragm pump component or assembly, likely for industrial fluid transfer applications. While specific details for this exact part number are not available in public sources, GRACOs industrial diaphragm pumps are designed for handling corrosive and abrasive fluids, with options for metal or plastic housings and pneumatic or electric operation. The SE1B. 0309 is expected to be compatible with GRACOs robust, corrosion