51659 - Water pump WilTec - Free user manual and instructions
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| Product Type | Water Pump |
| Brand | WilTec |
| Model | 51659 |
| Application | Transfer of clean and slightly dirty water, garden irrigation, drainage |
| Max. Flow Rate | Approx. 12,000 L/h |
| Max. Delivery Head | Approx. 8 m |
| Power Rating | 500 W |
| Voltage | 220–240 V, 50 Hz |
| Connection Size | 1½" (approx.) |
| Max. Particle Size | 5 mm |
| Max. Water Temperature | 35 °C |
| Protection Rating | IPX8 |
| Cable Length | 3 m |
| Dimensions (L×W×H) | Approx. 25 × 18 × 30 cm |
| Weight | Approx. 5 kg |
| Housing Material | Cast iron and plastic |
| Float Switch | Integrated automatic on/off |
| Thermal Overload Protection | Yes |
| Maintenance | Regular cleaning of intake filter |
| Safety | Use with residual current device (RCD) |
Frequently Asked Questions - 51659 WilTec
How do I connect the water pump to my garden hose?
Use the threaded outlet (1½") and attach a suitable hose adapter. Securely tighten it and ensure a watertight connection for optimal performance. After installation, test the pump with water to check for leaks.
Can this pump be used for pumping dirty water with small debris?
Yes, it is designed for clean and slightly dirty water with particles up to 5 mm. For larger debris, use a specialized sewage pump to avoid clogging.
How high can the pump lift water?
The maximum delivery head is approximately 8 meters. At this height, the flow rate reduces significantly. For best efficiency, keep the discharge hose as low and straight as possible.
Why does my pump not start automatically even when the float switch is in the "ON" position?
Check that the float switch moves freely and is not stuck. Also verify the power cord and plug for proper connection. If it still doesn't start, let the motor cool down and test the thermal overload protection.
Is it safe to leave the pump running unattended?
The pump has thermal overload protection, but continuous operation without water can cause damage. Always ensure sufficient water supply and use a residual current device (RCD) for electrical safety.
How should I store the pump during winter?
Drain all water from the pump and hoses. Dry the exterior and store it in a frost-free, dry room. Reconnect the pump only after checking that no water residues are frozen inside.
What kind of maintenance does this water pump require?
Regularly clean the intake and strainer to prevent blockages. Check the power cable for damage. Replace the mechanical seal if you notice leaks around the motor shaft. Use only genuine spare parts.
What is the maximum water temperature the pump can handle?
The pump is suitable for water temperatures up to 35 °C. Do not use it for hot liquids above this limit, as this can damage the impeller and seal.
Can the pump run dry?
No, running dry will cause the motor to overheat and fail. The float switch helps prevent dry running, but you should manually switch it off when the water level falls below the suction inlet.
What should I do if the pump loses suction or has low flow?
Check for a blocked intake, kinked hoses, or a clogged filter. Also ensure the discharge pipe is not too long, as this increases friction losses. Clean the pump body and impeller if necessary.
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USER MANUAL 51659 WilTec
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Product information
Brand : WilTec
Model : 51659
Category : Water pump