Introduce:
This switch is a switch of flow of automatic water. Wiring is it fit rule line while being high-quality to adopt, used in the central air conditioner cold warm ink protect. The switch is put through when the flow is normal. Switch disconnection when being unusual . This product reacts sensitivly , safe and reliable, have long performance life, extensively suitable for such systems as a type , gas type central air conditioner ,etc.

Note: (the size of flow can be customized according to user's demand)