It Can replace the Servo Motor GT31 series.    Reversible gear motors transmit rotary movements between 0°and 90°,for actuation of gas and air valves, with voltage-free limit switches, automatic/manual operation(optical), position feedback and externally readable...

Butterfly valve for Burners/Gas stove /Furnace/Oven, match for servo motor GT31 series.   Butterfly valve Main modles as follow:     Model    Codeinside diameter ...