BQLZR Water-flow Switch Magnetic Stainless Steel Water Sensor is ranked 13th in flow sensors based on our comprehensive analysis.
Reviewed by more than 34 consumers, more than 29% of the reviews about this BQLZR flow sensor had positive sentiment, meaning that these customers would probably advise purchasing this product when asked about a recommended flow sensor.
$20.42 (as of 05/07/2023 12:43 PDT details )Features:
- Stainless Steel
- It is not a valve, it s a switch. It has a moving piece inside positioned by a spring. As liquid flows the internal piece moves and magnetically closes the contacts of the switch. The thread are compatible with 1 2 NPT.
- this work as a switch, it opens the circuit when water isn t flowing but it isn t for high current loads, If you need to power a pump you need to use a contactor or relay. Also you would need a small control circuit in order to prevent the pump to suddenly turn on and off by variations on the water flow switch.
- The flow Switch activates by the friction of water to a spring loaded and calibrated type of internal element. Air has a lower friction and it will activate at a much higher flows. It is only recommended to water or similar.
- This is water flow sensor. It does not control the flow of water