It is designed to interface seamlessly with 1/4" pilot tubing

A standard 1/2-inch socket or crescent wrench is required to tighten the nuts

The permanently lubricated ball bearings and high-service factor design are engineered for continuous operation in demanding commercial environments

allowing for the replacement of internal components without replacing the entire trap body

Johnson Controls V47AS-2 Valve Freon It is designed to interfaceThe Johnson Controls V47AS 2 is a heavy duty, direct acting temperature actuated water regulating valve designed for precision modulation in high demand heating applications. Built with a rugged cast iron body and a 2" ASME flange connection, this valve is engineered to maintain setpoint integrity within a 160 to 205 degrees F heating point range. The V47AS 2 (identical to the V47AS 2C) utilizes a Style 4 temperature bulb measuring 11 16" in diameter