

Part number 800-441 is an outlet cage that houses and protects the outlet valve components in compatible sprayer pumps. This cage ensures proper valve operation and directs fluid flow from the pump. It is compatible with 740 i Airless Sprayer; 740 IX; 740 ix Airless Sprayer; Advantage 600; Advantage GPX 85; PowrLiner 2850 GB_D_F; PowrLiner 1800M, 2800M; and SprayTech GPX 85 models. Replacing a worn or damaged outlet cage restores proper valve function and prevents fluid bypass.
| Part Number | 800-441 |
|---|---|
| Part Description | Outlet Cage |
| Fits | 740 i Airless Sprayer; 740 IX; 740 ix Airless Sprayer; Advantage 600; Advantage GPX 85; PowrLiner 2850 GB_D_F; PowrLiner 1800M, 2800M; SprayTech GPX 85 |
| Condition | New |
The 800-441 outlet cage is a component that houses and guides the outlet valve within the pump assembly of compatible airless sprayers. It is specifically designed for use with 740 i Airless Sprayer; 740 IX; 740 ix Airless Sprayer; Advantage 600; Advantage GPX 85; PowrLiner 2850 GB_D_F; PowrLiner 1800M, 2800M; and SprayTech GPX 85 models. The cage holds the valve ball or seat in proper alignment, ensuring that fluid flows out of the pump chamber during the pressure stroke and prevents backflow during the intake stroke. It is typically made from durable materials that resist wear and corrosion from paints and solvents. The cage includes passages that direct fluid flow and may incorporate threads or other mounting features. Over time, outlet cages can become worn, cracked, or corroded, affecting valve seating and leading to pressure loss or poor priming. Symptoms of a faulty outlet cage include difficulty building pressure, surging, or visible damage to the cage structure. Replacing a worn or damaged outlet cage with this genuine part restores proper valve operation and fluid flow. This ensures that the pump can generate and maintain the high pressures required for airless spraying. When replacing the cage, it is recommended to install a new valve ball and seat and to inspect the inlet valve components for wear.
| Valve housing | Holds outlet valve components in place |
|---|---|
| Flow direction | Channels fluid out of pump chamber |
| Valve seating | Ensures proper sealing of outlet valve |
| Pressure loss | Unable to build or maintain pressure |
|---|---|
| Visible damage | Cracks, corrosion, or wear on cage |
| Poor priming | Pump struggles to prime |
| Surging | Pressure fluctuates during operation |
Part number 800-441 is compatible with the following sprayer models. Always verify using your equipment's serial number and parts manual.
| Brand / Series | Specific Models |
|---|---|
| i / IX Series | 740 i, 740 IX, 740 ix |
| Advantage | 600, GPX 85 |
| PowrLiner | 2850 GB_D_F, 1800M, 2800M |
| SprayTech GPX | 85 |
When replacing the outlet cage, inspecting these associated components can help ensure a complete repair.
Works with cage; replace if worn.
Check for wear that could affect performance.
Ensure proper sealing around cage.