Johnson Controls VG7841CS Valve 319848-301 The Cleveland Controls DFS-221-112 Switch

The Cleveland Controls DFS-221-112 Switch is a fixed-setpoint air pressure sensing switch designed for critical airflow proving in duct heaters

which is critical for maintaining proper lubrication and preventing mechanical damage during flooded starts

Designed for seamless integration with Johnson Controls electric actuators—including the VA9104

preventing system hunting and optimizing energy use

The Johnson Controls D-9502-610 Positioner Spring is a critical calibration component engineered specifically for field integration with D-3244 Series pneumatic actuators

Johnson Controls VG7841CS Valve 319848-301 The Cleveland Controls DFS-221-112 SwitchThe Johnson Controls VG7841CS Valve is a high performance 3 way mixing globe valve designed for precise flow control in commercial HVAC systems. Featuring a heavy duty cast bronze body and durable brass trim, this 1 2 inch NPT valve body is engineered to handle hot water, chilled water, and steam applications with a maximum static pressure rating of 400 PSI. The 0. 73 Cv rating, combined with an equal percentage flow characteristic, ensures linear