

The Graco 15H370 Adapter 1‑1/4‑12 is a precision adapter for connecting fluid components in high-pressure Graco systems, ensuring leak-free performance and correct thread engagement.
The 15H370 Adapter 1‑1/4‑12 is a durable, precision-machined adapter designed to connect fluid lines or components with a 1‑1/4‑12 thread size. It is used to convert or adapt connections in Graco industrial and commercial spraying systems.
Constructed to OEM specifications, the adapter ensures leak-free connections, precise thread engagement, and reliable operation under high pressure. Its robust design makes it suitable for repeated installations and service environments where accurate fluid routing is critical.
| Feature | Description |
|---|---|
| Thread Size | 1‑1/4‑12 male/female for fluid line compatibility |
| OEM-Quality | Precision machining ensures proper fit and durability |
| High Pressure Use | Designed for demanding spraying and finishing systems |
| Service & Conversion | Ideal for adapting hoses or components to match required thread standard |
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