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Pneumatic Thermostats


The T-3100 Single Temperature, Single Pressure Thermostat maintains a space temperature in accordance with the return air temperature in a terminal air conditioning unit.


The T-3101 Reverse Acting Pneumatic Thermostat provides remote temperature sensing and proportional control of air temperature. In a typical application, the T-3101 is connected with a G-7185 Electric Heat Step Controller and used as a high limit control.


The T-3102 Heating Cooling Deadband Thermostat modulates heating and cooling controlled devices, based on space temperature variations in terminal air conditioning units. An adjustable pressure regulator provides a deadband between heating and cooling modes, eliminating heating and cooling...


The T-3111 is a combination thermostat and valve actuator providing proportional control of a steam or water valve on a single temperature application. Designed for use on a valve controlled terminal air conditioning unit.


The T-3200 Single Temperature Dual Pressure Thermostat is a proportional action, pneumatic controller with an averaging temperature measuring element and concealed set point adjustment. This is a low limit controller used in unit ventilator applications. The switching mechanism of the T-3200...


The T-3300 Dual Temperature Dual Pressure Thermostat is designed to maintain space comfort in accordance with the temperature of air returning to a terminal air conditioning unit.


The T-3311 is a combination pneumatic thermostat and valve actuator providing proportional control of a steam or water valve in a heating/cooling application. The T-3311 is designed for use on a valve-controlled terminal air conditioning unit.


The T-3610 Pneumatic Low Limit Controller is a low volume proportional controller providing temperature control for a wide variety of applications including, return air, mixed air, and unit ventilator control.


The T-4002 Thermostat is a high volume output, single temperature thermostat. Refer to T-4000 Series Pneumatic Room Thermostat Product Bulletin(LIT-7171060P) for important product information


The T-4002-30x Thermostat with Cover and Two-Pipe Conversion Kits feature a T-4002-201 (D.A.) or a T-4002-202 (R.A.) Thermostat. The kits also contain a white or beige cover and cover plate, a selection of faceplates, and all other necessary parts and mounting hardware required to convert a wide...


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