Preparation of materials and equipment to be used in the work.
2.Electronic circuit Kit Pack: 438F warning and cut water pump (water full/water).
Soldering according to come. The format of the circuit according to the user's manual.
3.Solder sensors with an internal circuit boards.
4.The finished soldering the circuit inside of the device.
5.Then remove the circuit board installed in the supplied box.
6.stick switch on-off, a device mounted to the side of the plastic box.
7.stick hooks to device.