GRACO Swivel Union, 1/4 in x 3/8 in - (SKU: 159153)The GRACO 159153 Swivel Union is a stainless steel and PTFE fitting designed to connect fluid lines in GRACO spray equipment. It is intended for use with various GRACO spray guns and is compatible with catalyst, waterborne, and other finishing materials. Key Features: Union 1 4 in x 3 8 in Stainless steel and PTFE Maximum working pressure: 345 bar (5000 psi); some sources note a max of 7,500 psi, but official documentation typically lists 5,000 psi as

Designed for durability and reliability in high-wear applications

Replace the latch if it becomes loose or fails to secure properly

Use recommended maintenance schedules to maximize valve life

Used as a front label for the GRACO Magnum LTS 15 airless sprayer

typically made from robust metal or engineered plastic (exact material not specified in available sources)

Durable brass construction for reliability

Reliable sealing for piston applications

Ensure the hose is properly coupled and secured to prevent leaks

Ensures smooth operation of drive components

Check for leaks and proper valve operation after installation

seal installation tool

such as proportioners and fluid dispensing systems