12V Mini Diaphragm Water Pump – Self-Priming DIY & Garden
12V Mini Diaphragm Water Pump – Self-Priming DIY & Garden
12V Mini Diaphragm Water Pump – Self-Priming for DIY Dispensers, Garden Watering & Tea Tables
This compact 370 Mini Diaphragm Water Pump is your go-to solution for DIY liquid dispensers, tea table water systems, desktop fountains, and small-scale garden watering setups. Self-priming and ultra-quiet, it delivers a steady flow of 1.0–1.2 L/min at its rated 12V, making it ideal for hobbyists, makers, and home gardeners alike. Its wide operating voltage range (DC 6V–18V) gives you flexible control over flow speed and performance.
Made in Mainland China.
Key Features
- Self-Priming Design: Starts pumping automatically without manual priming — just connect and go.
- Wide Voltage Compatibility: Operates on DC 6V–18V for versatile use across different power sources.
- Compact & Lightweight: Tiny 27mm pump head fits into tight DIY builds, dispensers, and desktop units.
- Low Power Draw: Only 5W at rated voltage — energy-efficient for continuous operation.
- Metal & Silicone Construction: Durable materials ensure a long service life even with regular water contact.
- Includes Silicone Tubing: Comes with a 1-metre (5×7mm) silicone tube for quick installation.
Technical Specifications
| Rated Voltage | DC 12V |
| Operating Voltage Range | DC 6V – 18V |
| Power | 5W |
| Flow Rate | ~1.0–1.2 L/min (at 12V) |
| Motor Diameter | 24.2mm |
| Pump Head Diameter | 27mm |
| Pump Height | 62mm |
| Inlet / Outlet Diameter | 6.5mm |
| Cable Length | 80mm |
| Silicone Tube Size | 5×7mm, 1 metre length |
| Material | Metal / Silicone |
| Current at DC 6V | 0.16A |
| Current at DC 12V | 0.26A (rated) |
| Current at DC 18V | 0.35A |
What's in the Box
- 1× Mini Diaphragm Water Pump (370)
- 1× Silicone Tube (5×7mm, 1 metre) (may be included separately depending on option selected)
Great for Use With
This mini pump pairs perfectly with garden and DIY setups. Check out these related products from our store:
- 100 PCS Plant Support Clips for Orchid, Flower & Vine Stems — keep your garden tidy alongside a compact watering system.
- Garden Pruner Shears – Secateurs for Bonsai & Fruit Trees — the ideal companion for any home garden toolkit.
- 2.8L Beverage Dispenser with Spigot – Fridge Drink Dispenser — build your own smart dispenser system with this pump.
Note: Actual color may vary slightly from product images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances.
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Frequently Asked Questions
Q: What voltage does this mini diaphragm water pump require?
A: This pump's rated voltage is DC 12V, but it is compatible with a wide range of DC voltages from 6V to 18V. Lower voltages result in reduced flow and current draw, while higher voltages increase performance up to the 18V maximum.
Q: Is this pump self-priming, and can it run dry?
A: Yes, the 370 mini diaphragm pump is self-priming, so it does not need manual priming before use. However, like most small pumps, it is not recommended to run it dry for extended periods as this can shorten the motor's service life.
Q: What are the best applications for this 12V mini water pump?
A: This pump is ideal for DIY water dispensers, tea table water circulation systems, small desktop fountains, drip irrigation, garden watering setups, aquariums, and any maker or electronics project that requires a compact, low-power liquid pump.
Q: What size tubing is compatible with this pump?
A: The water inlet and outlet diameter is 6.5mm. The included silicone tube is 5×7mm inner/outer diameter and 1 metre in length, making it ready to use straight out of the box.