GRACO Packing O-Ring (111278) - (SKU: 111278) Follow manufacturer guidelines for tightening

Follow manufacturer guidelines for tightening and sealing

and reliability of the pump

Using genuine GRACO parts like the 25C502 kit ensures compatibility

Designed for specific GRACO machinery models (exact models not listed in available sources)

but GRACO check valves are commonly made from durable metals or engineered plastics for industrial applications

GRACO Packing O-Ring (111278) - (SKU: 111278) Follow manufacturer guidelines for tighteningThe GRACO 111278 Packing O Ring is a sealing component designed to prevent leaks and maintain pressure integrity within GRACO spray foam and fluid handling equipment. Its material is not specified in available sources, but it is typically made from durable elastomers suitable for high pressure and chemical resistance. The part is intended for use in maintaining the seal between moving parts in GRACO pumps and sprayers. Key Features: Packing O Ring