The V2313-A1S Motorized Zone Valve is a 2-way, 3/4" sweat valve with an end switch, designed for HVAC and refrigeration systems. Made of all metal with a brushed aluminum cover and forged brass body, this Valemo brand valve has a Cv of 3.5 and operates at 24 volts with a frequency of 50/60 Hz. It features a soldering connection for pipe installation and weighs 1.8 pounds. With a compact size of 4.8" x 4" x 2.6", this zone valve is a reliable and efficient component for controlling heating and cooling in various systems.