a 13A15 vent protector must be utilized to prevent moisture and debris from entering the breather hole

promoting stable flame characteristics and efficient heat transfer

Industrial Durability: Components are engineered to withstand rigorous cycle rates for air

Auxiliary Integration: Built-in aux switch allows for the simultaneous control of secondary components or indicator lights

these gaskets are designed to seal dry

Johnson Controls D-3153-7 Damper Actuator Freon a 13A15 vent protector mustThe Johnson Controls D 3153 7 is a heavy duty pneumatic damper actuator engineered for precise positioning of large dampers in commercial HVAC systems. This piston style actuator features a 15 inch effective diaphragm area and a 3 inch stroke, delivering high torque output for reliable airflow modulation. Built with a rugged die cast aluminum body, it operates on a 0 20 psig control air pressure range and utilizes an 8 13 psi spring range for fail