... outputtorque, long product life.2, Electrical limit and machinery limit design, accurate position,avoid gear and switch.3, Multi-assembling, easy ... card meters, heat energy meters, air-warm valve.2, HVAC and fire work.3, Water equipment, uto-controlwatersystem, industrial mini-autoequipment4 ... heaters,washing machins, water heaters, industrial CWX-15Q 1/2" 3 way motorized bal valve for water treatment