

The Graco 15H521 Fitting Fluid Path is an OEM‑quality fluid‑path fitting for Graco systems, ensuring correct routing, sealing and performance in high‑pressure spray and finishing equipment.
The 15H521 Fitting Fluid Path is a precision replacement fitting designed for the fluid path in Graco finishing equipment. It ensures correct fluid routing, sealing, and compatibility with hose, tubing or component connections in the system. Proper fluid path fittings help minimise leaks, maintain flow performance, and simplify service and maintenance.
Manufactured to OEM specifications, this fitting supports high pressure, repeated service cycles and demanding finish‑system environments. Using the correct fluid‑path fitting prevents improper installation, leaks or performance issues later on.
Incorrect orientation may lead to flow restriction, bypass, turbulence or leak potential—always install with correct flow direction and orientation.
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