

The Graco 16H375 Adapter connects stubby-length President 4-Ball pump lowers to the matching air motor, ensuring proper alignment and reliable operation.
The Graco 16H375 Adapter is a precision-machined connection component designed for use with President-series 4-Ball pumps that feature the stubby-length lower. This adapter ensures proper alignment and secure coupling between the stubby lower assembly and the President air motor, maintaining consistent performance in circulation and supply applications.
For correct installation, follow Graco torque specifications and ensure proper lubrication of the motor shaft cavity. Using the correct adapter prevents misalignment, reduced efficiency, and increases pump longevity.
| Frequently Asked Questions |
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No. This adapter is designed specifically for stubby-length 4-Ball lowers. Standard-length lowers require a different adapter or connection kit.
This adapter should only be used with President-series stubby 4-Ball pump lowers. Other pump types require their own specific adapters.
Using the wrong adapter may cause misalignment, excessive wear, leaks, or reduced output pressure. Always match the adapter to your pump’s lower length and configuration.
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