Part number 424-236 is a Black Return Hose Assembly, 31" used in PowrLiner 4900 and 4900 XLT line stripers. This hose returns excess material or fluid from the pump or gun back to the container, helping to maintain consistent pressure and recirculate material. Replacing a cracked, leaking, or clogged return hose restores proper recirculation and prevents material waste and pressure fluctuations.
| Part Number | 424-236 |
|---|---|
| Part Description | Black Return Hose Assembly, 31" |
| Brand | PowrLiner |
| Fits | PowrLiner 4900, 4900 XLT |
| Condition | New |
The 424-236 Black Return Hose Assembly is a 31‑inch replacement hose designed for the return line system on PowrLiner 4900 and 4900 XLT line stripers. It carries excess coating material from the pump, gun, or bypass valve back to the material container, allowing for recirculation and pressure regulation.
This hose is constructed from durable, solvent‑resistant materials to withstand constant exposure to paints and cleaners. It features factory‑installed fittings for a secure, leak‑free connection. A properly functioning return hose is essential for maintaining stable system pressure, preventing material from drying in the lines, and reducing waste. Over time, hoses can become clogged, cracked, or softened by chemical attack, leading to leaks and pressure problems. Replacing a worn return hose restores proper recirculation and system performance.
| Material recirculation | Returns excess paint from pump or gun back to container |
|---|---|
| Pressure regulation | Helps maintain stable system pressure through bypass flow |
| Waste reduction | Prevents material from drying in lines and reduces waste |
| Leaks / cracks | Visible splits or seepage in hose |
|---|---|
| Clogs / blockages | Restricted flow causing pressure issues |
| Soft / bulging sections | Hose wall weakened by chemical attack |
| Kinked / crushed | Permanent deformation restricting flow |
Part number 424-236 is compatible with the following PowrLiner models. Always confirm fitment using the correct parts diagram for your exact model and revision.
| PowrLiner Model | Component |
|---|---|
| PowrLiner 4900 | Black Return Hose Assembly, 31" |
| PowrLiner 4900 XLT | Black Return Hose Assembly, 31" |
When replacing the return hose assembly, these components are often inspected or replaced at the same time to ensure complete fluid system reliability.
Inspect the supply side hose for wear or damage.
Check for corrosion or damage; replace if necessary.
If debris caused blockages, inspect the inlet valve for wear.
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