Bitspower Flow Sensor G1/4 Matte Black DIY Cooling

Bitspower G1/4 Flow Sensor

The Bitspower Flow Sensor monitors liquid flow rate inside a custom water-cooling loop. It uses a G1/4 thread and a matte black finish to match standard fittings. The device sends an RPM signal through a three-pin cable connected to a motherboard fan header. Builders who want automated flow protection use this sensor to trigger BIOS safety shutdowns.

Verify loop thread and header compatibility

Confirm every component in your loop uses G1/4 threads so the sensor seals correctly without adapters. Check that your motherboard or fan controller has a free three-pin fan header able to read an RPM signal. Ensure the BIOS or controller software can act on a zero-RPM reading to halt the system. Buyers who need a different thread size or a USB monitoring interface cannot use this sensor.

Steady signal during continuous operation

The true hi-flow design maintains an unrestricted path so the impeller spins freely under constant pump pressure. The three-pin output delivers a consistent RPM stream that the motherboard reads reliably during long gaming or rendering sessions. If flow drops because of a blockage or pump failure, the signal falls immediately and the safety logic can respond. The sensor has no internal logging or alerting of its own.