Schneider-Electric 2212-318 Thermostat
The dual setpoint/deadband pneumatic room thermostats are designed for the proportional control of pneumatic valves, damper actuators, and other control devices. With this product, the HVAC system uses no energy between preselected heating and cooling setpoints. Features: Factory calibrated. Stainless steel ball-in-seat provides pneumatic feedback for linear, stable operation, Deadband is set by setting desired heating and cooling setpoints, Deadband output pressure factory set at 8 psig (55 kPa); field adjustable, Leakproof, O-Ring-sealed, spring-loaded self-closing branch gauge tap.