2.2 What kind of water level controller is the pump equipped with?

2.2 The best scheme is to choose a water pump with rigid water level controller and contactor. Rigid water level controller is the latest patented product, which has the characteristics of safety, reliability, long life and no movement. The controller with contactor is around 70 yuan, regardless of the failure within 3 to 5 years after installation, which is definitely the best scheme for automatic control of 2.2 water pump.