PowrLiner part 756-112 is a siphon and bypass hose kit designed for the fluid system on PowrLiner 3100 airless line stripers. This kit includes both the intake siphon hose (with weighted strainer) and the return bypass hose, providing a complete replacement for worn or damaged hoses to restore proper fluid pickup and recirculation.
| Part Number | 756-112 |
|---|---|
| Part Description | Siphon & Bypass Hose Kit (includes both hoses)}, |
| Brand | PowrLiner |
| Fits | PowrLiner 3100 |
| Condition | New |
The PowrLiner 756-112 Siphon & Bypass Hose Kit is an OEM replacement set that includes both essential fluid hoses for the PowrLiner 3100 line striper. The kit comprises the siphon hose (with integrated weighted strainer) that draws paint from the container into the pump, and the bypass hose that returns excess paint to the container when the spray gun is triggered off.
Over time, hoses can become cracked, brittle, or clogged with dried paint, leading to loss of prime, erratic pressure, fluid leaks, or safety hazards. Replacing both hoses as a matched set ensures reliable fluid pickup, proper recirculation, and leak‑free operation. This kit simplifies maintenance by providing all the necessary hoses in one package.
| Siphon hose | Draws paint from the container into the pump; includes strainer to filter debris. |
|---|---|
| Bypass hose | Returns excess paint to the container when the gun is off, preventing dead‑heading. |
| System reliability | Ensures consistent fluid flow, stable pressure, and safe recirculation. |
| Cracks / leaks | Visible damage or fluid seepage on either hose. |
|---|---|
| Loss of prime | Pump fails to prime or loses prime frequently. |
| Air ingestion | Air bubbles in the spray pattern traced to the intake side. |
| Pressure irregularities | Erratic pressure or failure to relieve pressure when gun is off. |
PowrLiner part 756-112 is a direct replacement siphon and bypass hose kit for the following model:
| Brand / Model | Application |
|---|---|
| PowrLiner 3100 | Siphon & bypass hose kit (complete set) |
Replace any loose or corroded clamps to ensure secure, leak‑free connections.
The bypass valve controls flow to the return hose; inspect or rebuild the valve when replacing hoses.
If prime issues persist, inspect the inlet valve and clean or replace the strainer.
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