SprayTech part 0294517 is a cylinder, 25 Series used in the fluid section of compatible airless sprayers. This cylinder houses the piston and seals, forming the pumping chamber that pressurizes paint for application. Replacing a worn or scored cylinder restores proper pump efficiency, pressure consistency, and extends the life of the fluid section.
| Part Number | 0294517 |
|---|---|
| Part Description | Cylinder, 25 Series |
| Brand | SprayTech |
| Fits | SprayTech Airless EP2510 |
| Condition | New |
The SprayTech 0294517 Cylinder, 25 Series is an OEM replacement component for the fluid section of the SprayTech EP2510 airless paint sprayer. It forms the precision‑honed chamber where the piston reciprocates to draw in and pressurize paint. The cylinder works in conjunction with the piston, packings, and inlet/outlet valves to deliver consistent flow and pressure.
Over time, the cylinder bore can become scored, scratched, or worn due to abrasive materials, contaminated paint, or normal wear. A damaged cylinder leads to reduced pressure, erratic output, and accelerated seal failure. Replacing with this genuine cylinder restores proper pump performance, efficiency, and reliability.
| Pumping chamber | Provides the precision bore where the piston moves to create pressure. |
|---|---|
| Seal surface | Forms a smooth, wear‑resistant surface for piston packings to seal against. |
| Pressure consistency | Ensures uniform pressurization for stable spray performance. |
| Pressure loss / surging | Inconsistent pressure or inability to reach operating pressure. |
|---|---|
| Visible scoring / scratching | Scratches or grooves in the cylinder bore that can be seen or felt. |
| Frequent seal failure | Packings wear out prematurely due to rough cylinder surface. |
| Reduced output | Lower flow rate despite proper motor operation and valve condition. |
SprayTech part 0294517 is a direct replacement 25 Series cylinder for the following model:
| Brand / Model | Application |
|---|---|
| SprayTech Airless EP2510 | Fluid section cylinder |
When replacing the cylinder, install a new piston and seal kit to ensure proper fit and performance.
Valves are often replaced during a fluid section overhaul to restore full pump efficiency.
Use new seals at the cylinder‑to‑manifold and cylinder‑to‑housing interfaces.
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