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The Van Line In-Line 1-Way Windscreen Washer Valves (TA104) are essential components designed for automotive technicians, agricultural mechanics, and DIY enthusiasts looking to restore or maintain vehicle fluid systems. These valves provide a reliable solution for preventing fluid backflow in washer circuits, ensuring instant spray delivery upon activation. While they are highly effective for standard automotive repairs, users should verify their specific hose diameter, as these valves are strictly designed for 3/16-inch piping systems.
| Model Part Number | TA104 |
|---|---|
| Brand | Van Line |
No, these are specifically designed for 3/16-inch pipe. Attempting to use them on larger lines will result in loose connections and fluid leaks.
No, the pack contains the valves only. We recommend using standard automotive zip ties to secure the lines.
Most valves have a small arrow on the side of the housing indicating the direction of fluid flow; point the arrow toward the washer nozzle.
No, these are intended for windscreen washer or similar low-pressure fluid systems only.
The valve prevents gravity from pulling the fluid back into the reservoir when the pump is turned off, reducing wait time for the washer spray to hit the glass.
Verify the valve is installed in the correct orientation. Being a 1-way valve, it will block flow if installed backwards.
Ensure the hose is fully seated over the barb and use a small zip tie to secure the connection against the valve body.
Check for secondary blockages in the washer jets or the supply reservoir; the valve is intended to prevent backflow, not to improve pump pressure.
Installation requires basic cutting of the washer fluid hose. Ensure the system is powered off before starting. Identify the correct direction of flow (usually indicated on the valve body) and slide the hose securely over the valve barbs. For added security, apply a small cable tie around the hose connection. Inspect the valves periodically during standard vehicle servicing to ensure that debris from the reservoir has not clogged the internal check mechanism.
