Best current price£19.44from Rapid Online - Rapid Electronics Ltd.
Shopping.co.uk recommended and popular offers
Rapid Online - Rapid Electronics Ltd.£19.44Visit shop Whadda WPM421 Water Pump Kit Create Your Own Plant Watering System
Visit shop2 offers from £19.44 - £22.44
View price history by clicking the chart icon.
The Whadda WPM421 is a compact and versatile DC water pump designed for DIY enthusiasts looking to create custom fluid systems, such as automated plant watering or aquarium top-off solutions, often integrated with microcontrollers like Arduino. Its key benefit lies in its reliable performance and adaptability across a 5V to 12V DC range. A primary caveat is that it is not self-priming, requiring submersion or a primed setup for operation. This pump offers a flow rate of up to 240 L/H and a maximum static lift of 3 meters, featuring a durable ABS housing and an IP68 waterproof rating, making it suitable for both submersible and land-based applications.
| Brand | Whadda |
|---|
The Whadda WPM421 has a maximum static lift of 3 meters (approximately 118 inches).
Yes, the pump is designed for continuous operation and has a lifespan of over 30,000 hours.
You need a DC power supply that provides voltage between 5V and 12V. The maximum current draw is 0.35A at 12V.
While the pump is waterproof (IP68) and made of ABS, prolonged exposure to corrosive substances like saltwater may affect its lifespan. It is generally suitable, but regular cleaning is recommended.
The pump can be used on land, but it is not self-priming. This means you must ensure the pump is filled with water before starting it, or that the intake line is filled and submerged.
The external diameter for both the inlet and outlet is 8 mm (0.31 inches).
At its maximum of 12V DC, the power consumption is 4.2 W.
Verify power supply voltage (5-12V DC) and ensure correct polarity (+/-). Check all wire connections for security. Confirm the power source is functioning and providing sufficient amperage.
Ensure the pump is submerged or the system is primed. Check for kinks or blockages in the inlet or outlet tubing. Clear any debris from the pump inlet. Verify the water level is sufficient.
Check for debris inside the pump housing or impeller. Ensure the pump is securely mounted and not vibrating against surfaces. If noise persists, the pump may be damaged.
Check for overheating due to insufficient water flow or running dry; allow it to cool. Ensure the power supply is stable and not fluctuating. Inspect for any internal obstructions that might cause intermittent stalling.
Setup:
Compatibility:
Care:
