51547 - Water pump WilTec - Free user manual and instructions
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| Product Type | Water Pump |
| Model | 51547 |
| Brand | WilTec |
| Power Supply | 220–240 V ~ 50 Hz |
| Power Consumption | 750 W |
| Max Flow Rate | 5000 L/h |
| Max Head | 35 m |
| Max Particle Size | 5 mm |
| Dimensions (L x W x H) | 28 x 18 x 20 cm |
| Weight | 5.2 kg |
| Material | Cast iron body, stainless steel shaft |
| Connection Size | 1 inch G threading |
| Protection Class | IPX4 |
| Insulation Class | F |
| Motor Type | Single-phase, induction motor |
| Thermal Protection | Built-in thermal overload protector |
| Priming | Self-priming up to 8 m |
| Liquid Temperature | 0–40 °C |
| Maintenance | Regularly clean inlet filter; check seals and impeller |
| Safety Features | Overload cut-off, dry-run protection |
| Spare Parts Available | Seal kit, impeller, capacitor, switch |
| Repairability | Replaceable motor brushes and bearings |
| Included Accessories | Manual, suction strainer, connection adapters |
| Warranty | 2 years |
Frequently Asked Questions - 51547 WilTec
How do I prime the pump before first use?
Fill the pump casing with water through the priming plug until water overflows. Ensure no air is trapped. Then start the pump. This is essential for self-priming models.
What is the maximum suction height?
The maximum suction height is typically 8 meters. For optimal performance, keep the vertical distance between the water source and pump as short as possible.
Can I run the pump dry?
No, running the pump dry can damage the mechanical seal and cause overheating. The pump has dry-run protection but should be avoided whenever possible.
What type of liquids can this pump handle?
This pump is designed for clean water and non-aggressive liquids. Do not use with flammable, corrosive or abrasive fluids. Maximum liquid temperature is 40 °C.
Why is my pump not starting?
Check the power supply, fuse, and thermal overload switch. If the motor hums but doesn't start, the capacitor may be faulty. Also ensure the impeller is not blocked.
How often should I clean the pump?
Clean the inlet filter after every use if pumping dirty water. For clean water, inspect every month. Remove any debris that could affect performance.
Can I install the pump outdoors?
Yes, but protect it from direct rain and freezing temperatures. The pump has IPX4 splash protection, but a cover is recommended for prolonged exposure.
What size pipe should I use?
The pump has 1 inch G thread connections. It is recommended to use pipes of at least 1 inch internal diameter to avoid flow restriction.
How do I winterize the pump?
Drain all water from the pump and pipes to prevent freezing damage. Store the pump in a dry, frost-free place. Remove the drain plug if available.
Where can I find spare parts?
Spare parts such as seal kits, impellers, capacitors, and switches are available from WilTec or authorized dealers. Refer to the manual for part numbers.
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USER MANUAL 51547 WilTec
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Product information
Brand : WilTec
Model : 51547
Category : Water pump