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2026-09-24

Advantages of Hai Mi Micro Brushless DC Water Pumps over AC Pumps

Advantages of Hai Mi Micro Brushless DC Water Pumps over AC PumpsSafer: Operates on low-voltage 12V/24V DC, well below the 36V safety threshold; AC pumps run on 220V mains power and carry a risk of le...

2026-07-27

The Working Principle of the Drain Pump in HVAC Ceiling Cassette Units

The Working Principle of the Drain Pump in HVAC Ceiling Cassette UnitsWhy a Drain Pump is NeededDuring cooling operation, water vapor in the indoor air condenses on the surface of the low-temperature ...

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