Pneumatic temperature controllers provide proportional control of pneumatic valves and damper actuators in HVAC. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell pneumatic temperature controller.
High capacity, single/dual input pneumatic controller, used in conjunction with remote sensors, to provide proportional (P) or proportional plus integral (P+I) control of temperature, humidity, pressure, or dewpoint for heating and air conditioning.
