GRACO PLUG BOSS - (SKU: 108643)The GRACO 108643 PLUG BOSS is a replacement plug component designed for use in GRACO spray foam and fluid handling equipment. Its material is not specified, but it is engineered for durability and reliable sealing within GRACO pump systems. The part is intended to ensure proper function and prevent leaks in critical fluid transfer applications. Key Features: Plug Designed for GRACO spray foam and fluid handling equipment Compact design (2. 4 x 2. 4 x

ensuring safety and stability within GRACO equipment setups

Ensure both hoses or fittings are clean and free of debris before installation

Model 253897 (w/hopper)

Ensure correct thread engagement and torque specifications as per equipment manual

Regularly inspect diaphragms

engineered for high wear resistance and long service life

GRACO Monark Air Motor

precise dispensing of single-component adhesives and sealants

High-strength dual pedestals for reliable performance in extreme applications

Helps prolong equipment lifespan and minimize malfunctions

and runaway control (for similar NXT models)

Ensure all connections are secure before operating the equipment