Description
The Aerco 18557-1 Pneumatic Bulb Thermostat is an advanced control tool used for HVAC systems with a range of 20°F – 240°F. This type of thermostat is pneumatic and it is founded on a bulb that contains a gas or a liquid that expands and contracts depending on the temperature and therefore facilitates the control of heating and cooling facilities. It operates at a pressure regulator of 20 PSI and it is controls the airflow and temperature in different HVAC applications.









