

SprayTech part 0296294 is a gun repair kit designed to restore proper function to compatible airless spray guns. This kit contains the essential wear items and sealing components required to rebuild the fluid section of the spray gun, including valve stem, seat, seals, and related hardware. Rebuilding the gun with this kit addresses common issues such as fluid leakage, inconsistent spray patterns, and difficulty achieving clean shut-off. Using genuine components helps ensure proper fit, reliable sealing, and extended service life for the spray gun.
| Part Number | 0296294 |
|---|---|
| Part Description | Gun Repair Kit |
| Brand | SprayTech |
| Fits | Airless1 G10; Airless G10; Airless G10 TR2 |
| Condition | New |
The SprayTech 0296294 gun repair kit is a comprehensive rebuild package designed to restore the fluid section of compatible Airless1 G10, Airless G10, and Airless G10 TR2 spray guns to factory-like performance. This kit contains all the critical wear components and seals necessary to address the most common failure points in airless spray gun operation. Included components consist of the valve stem assembly, which controls the opening and closing of the fluid path; the valve seat, which provides the sealing surface against which the valve stem closes; various o-rings and seals that prevent fluid leakage around moving components and threaded connections; and any necessary retaining hardware or washers required for proper installation. Together, these components form the heart of the spray gun's fluid control system, managing the flow of high-pressure coating materials from the hose connection to the spray tip.
In airless spray systems, the gun's fluid section operates under extreme conditions. Fluid pressures typically range from 1,500 to 3,000 psi or higher, and the valve components may cycle thousands of times during a single workday. Over time, the valve stem and seat naturally wear due to the constant impact of closing under high pressure, particularly when spraying abrasive materials such as textured coatings, epoxies, or paints containing heavy pigments. Seals and o-rings degrade from exposure to solvents, cleaning agents, and the chemical composition of the materials being sprayed. External factors such as contamination from dirty fluid, improper cleaning practices, or physical impact can accelerate wear or cause premature failure. Symptoms indicating the need for a gun repair include fluid weeping or dripping from the spray tip when the trigger is released, indicating that the valve stem is not fully seating against the valve seat; inconsistent or distorted spray pattern that persists after replacing the spray tip; difficulty achieving clean shut-off; fluid leaks from the gun body or around the trigger area; and noticeable reduction in spray pressure at the tip despite adequate pump output.
Rebuilding the spray gun with the 0296294 gun repair kit restores proper valve sealing and fluid control. Before beginning the rebuild, thoroughly clean the gun exterior and disassemble the fluid section according to the manufacturer's service instructions. Inspect the gun head and rear housing for any cracks, thread damage, or wear that would require replacement beyond the repair kit components. When installing new seals and o-rings, apply a light coating of compatible lubricant to ease assembly and prevent damage to sealing surfaces. Ensure the valve stem moves freely within the guide and that the seat is properly seated in the gun head. When reassembling, follow manufacturer torque specifications for all threaded connections to avoid overtightening that could distort components or create stress cracks. After rebuild, test the gun with fluid under operating pressure to verify positive shut-off, consistent spray pattern, and leak-free operation at all connections. Regular rebuilding of spray guns as part of preventive maintenance helps maintain application quality, reduce material waste from leaks and drips, extend overall gun service life, and ensure operator safety. Keeping a repair kit on hand allows for timely service when performance issues arise, minimizing downtime on the job site.
| Valve stem assembly | Controls fluid flow by sealing against the valve seat when trigger is released |
|---|---|
| Valve seat | Provides hardened sealing surface for positive shut-off under high pressure |
| Seals and o-rings | Prevent fluid leakage around moving components and threaded connections |
| Fluid weeping | Fluid drips from tip when trigger is released indicating valve seat wear |
|---|---|
| Inconsistent pattern | Distorted spray pattern not corrected by tip replacement |
| External leakage | Fluid leaks from gun body or around trigger area |
| Shut-off failure | Inability to achieve clean fluid shut-off during operation |
SprayTech part 0296294 is compatible with the following spray gun systems. Always verify fitment against the original equipment before installation.
| Spray Gun / System | Component Application |
|---|---|
| Airless1 G10 | Gun Repair Kit |
| Airless G10 | Gun Repair Kit |
| Airless G10 TR2 | Gun Repair Kit |
Spray gun performance issues may involve additional components beyond the fluid section. When rebuilding the gun, these related parts are frequently inspected or serviced.
The gun head houses the valve seat and should be inspected for cracks, thread damage, or seat wear during rebuild.
Trigger pivot points and linkage may wear over time, affecting valve stem travel and operator feel.
Worn or damaged spray tips can affect pattern quality; inspect and replace if necessary during gun service.