... tooth type structures, unions, more convenient, can match fast by type nut and pipe plug 3, hall ... sensitive and reliable; 4, flow range: 0.1 3 L/min, working voltage: DC3-18 V, rated voltage ... DC5V; 5, output voltage (rated DC5V) : high level 4.5 V above, low level 0.5 V ... kind of material, mainly for the water heater, wall-hang boiler, water machine. NOTE: OKD-HZ41WA Pom material hall level ...