GRACO Plug Breather - (SKU: 121540)The GRACO 121540 Plug Breather is a small, lightweight component designed for use in GRACO spray foam and airless paint sprayer systems. It is typically constructed from durable plastic or similar material and serves as a breather plug to allow air movement and prevent pressure buildup within the equipment, ensuring proper function and safety during operation. Key Features: Plug Breather 121540 Plastic or similar lightweight material GRACO Fusion CS

Follow all safety and maintenance guidelines in the manual

The part is intended to maintain proper sealing within the pump assembly

Ensure proper electrical connections and secure mounting

PTFE balls for enhanced chemical compatibility

specific equipment compatibility should be verified with the equipment manual or GRACO specialist

Oil evacuation

Compatible with GRACO equipment requiring 10-24 x 4

It is designed for reliable transfer of fluids

Buna ball material

Used in GRACO sprayer systems for adjustment and secure seating of related components

and couplings daily

Refer to equipment manual for specific wiring or placement instructions