

Compact OEM air pressure regulator that delivers precise compressed air control for compatible Graco pneumatic pump packages, helping maintain stable system performance.
| Compatible Equipment | Compatibility Details |
|---|---|
| Graco Universal 3:1 Pump Packages (NPT) | Compatible with CE-marked package models 24H692 and 24H698. |
| Graco Universal 5:1 Pump Packages (NPT) | Compatible with CE-marked package models 24H839 and 24H845. |
| Graco Lubrication & Fluid Transfer Systems | Designed for equipment requiring a genuine Mini Air Pressure Regulator with NPT connections. |
The Graco 24H420 Regulator, Air Pressure, Mini, (NPT) is a genuine OEM air pressure regulator engineered to provide precise and reliable control of compressed air supplied to pneumatic pumps and fluid handling equipment. Its compact design allows installation where space is limited while maintaining consistent operating pressure for improved system performance.
Featuring 1/4 in. NPT inlet and 3/8 in. NPT outlet connections, this mini regulator incorporates an easy-to-adjust control knob and valve assembly for accurate pressure adjustment. Stable air regulation helps reduce pressure fluctuations, improve application consistency, and protect downstream pneumatic components from excessive air pressure.
The Graco 24H420 is commonly used in industrial fluid transfer, lubrication, coating, and dispensing systems where controlled compressed air pressure is essential for reliable pump operation. Maintaining consistent air pressure helps optimize material flow, minimize equipment wear, and improve overall production efficiency.
Choosing the original Graco 24H420 ensures proper fit, dependable pressure regulation, and long service life. Unlike aftermarket alternatives, genuine Graco components are manufactured to meet original equipment specifications, helping maintain system reliability while reducing unexpected downtime and maintenance costs.
| Part Number | 24H420 |
|---|---|
| Product Type | Mini Air Pressure Regulator |
| Connection Type | NPT |
| Inlet Size | 1/4 in. NPT |
| Outlet Size | 3/8 in. NPT |
| Function | Controls and regulates compressed air pressure supplied to pneumatic equipment. |