Part 0294379 is a replacement upper wave spring for compatible SprayTech airless sprayers. This spring provides precise axial force in limited space, maintaining proper tension on components such as seals or valves. When the original spring becomes weakened, sagged, or broken, replacement restores proper function.
| Part Number | 0294379 |
|---|---|
| Part Description | Wave Spring, Upper |
| Brand | Universal |
| Fits | SprayTech Airless EP2300 SE; SprayTech Airless EP2300; SprayTech Airless EP2400 |
| Condition | New |
The 0294379 upper wave spring is a direct replacement component for SprayTech Airless EP2300 SE, EP2300, and EP2400 sprayers. Unlike conventional coil springs, a wave spring is a flat wire spring formed into a wavy shape that provides precise axial force while requiring minimal radial space. This makes it ideal for applications with limited installation space. In these sprayers, the upper wave spring is typically used to maintain tension on seals, packings, or valve components, ensuring consistent contact and preventing leaks. A properly functioning wave spring applies a controlled force that compensates for wear and thermal expansion, maintaining reliable sealing over time. A weakened, sagged, or broken wave spring can result in loss of sealing force, leading to fluid leaks, pressure loss, and erratic operation. This replacement spring is manufactured to exact specifications for load, free height, and material properties. Installation requires careful positioning within the designated groove or cavity. Regular inspection during maintenance helps identify springs that have lost tension or show signs of fatigue.
| Axial force | Provides precise force in limited space |
|---|---|
| Seal tensioning | Maintains pressure on seals and packings |
| Wear compensation | Adjusts for component wear and thermal changes |
| Weakened / sagged | Spring no longer provides adequate force |
|---|---|
| Broken spring | Spring fractured, no force applied |
| Corrosion damage | Rust weakens spring |
| Fluid leakage | Leaks due to insufficient seal tension |
Upper wave spring 0294379 is compatible with the following models. Verify fit using your equipment's parts diagram.
| Compatible Models |
|---|
| SprayTech Airless EP2300 SE |
| SprayTech Airless EP2300 |
| SprayTech Airless EP2400 |
When replacing the upper wave spring, inspect these associated components to ensure proper sealing and function.
Check for wear; replace if damaged.
Ensure clean and undamaged.
Inspect parts that contact the spring.
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