Titan part 800-903 is a return hose (replaces Titan 507964) used in the fluid recirculation system of compatible airless sprayers. It returns excess paint from the pressure control or gun back to the container or hopper, helping to maintain consistent pressure and prevent overheating. Replace a cracked, leaking, or clogged return hose to restore proper recirculation, reduce pressure fluctuations, and ensure smooth operation on Impact, Advantage, and Airless Sprayer units.
| Part Number | 800-903 |
|---|---|
| Part Description | Return Hose (Replaces Titan 507964) |
| Brand | Titan |
| Fits |
|
| Condition | New |
The Titan 800-903 Return Hose is a direct replacement for the older Titan 507964. It is a flexible, chemical‑resistant hose used in the fluid recirculation circuit of compatible airless sprayers. When the sprayer is in recirculation mode (e.g., during priming or pressure relief), the return hose directs paint from the pressure control valve or gun back to the container or hopper. This helps maintain stable pressure, prevents material settling, and reduces stress on the pump.
Over time, the return hose can become cracked, hardened, or clogged with dried paint. A damaged return hose causes recirculation leaks, pressure instability, difficulty priming, or material waste. Replacing a worn return hose with a genuine Titan 800-903 restores proper recirculation, ensures smooth pressure control, and prevents fluid bypass on Impact 1140/840/740/1040, Advantage 1100/700, Airless Sprayer 1140IX/1140I/840I/840IX, and related models.
| Recirculates paint | Returns excess material to container during priming |
|---|---|
| Maintains pressure stability | Prevents pressure spikes and pump overheating |
| Allows pressure relief | Provides a path for depressurizing the system |
| Cracks or leaks | Visible damage or paint weeping from hose |
|---|---|
| Hardening or brittleness | Hose is stiff, cracked, or no longer flexible |
| Clogs | Hose blocked with dried paint, preventing recirculation |
| Pressure control issues | Erratic pressure or inability to relieve pressure |
Titan part 800-903 (replaces 507964) is compatible with the following airless sprayers. Always confirm fitment using the correct parts diagram for your exact model.
| Brand / Model | Component |
|---|---|
| Impact 1140 | Return hose |
| Impact 840 | Return hose |
| Impact 740/840 | Return hose |
| Impact 1140 I | Return hose |
| Impact 1140 IA | Return hose |
| Impact 1040 | Return hose |
| Impact 840 I | Return hose |
| Impact 840 IA | Return hose |
| Advantage 1100 | Return hose |
| Advantage 700 | Return hose |
| Airless Sprayer 1140IX | Return hose |
| Airless Sprayer 1140I | Return hose |
| Airless Sprayer 840I | Return hose |
| Airless Sprayer 840IX | Return hose |
When replacing the return hose, inspect these related components.
If the return hose is clogged, the valve may also need cleaning or replacement.
Replace any corroded or loose clamps to prevent leaks.
If the return line is degraded, the suction hose may also be brittle.
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