Johnson Controls D-3153-1 Damper Actuator R-410A If these components are functional

If these components are functional but the board doesn't send voltage to the gas valve

What is the maximum voltage rating

Modine airflow switches are safety-critical components

Durable SPST Contacts: High-quality single-pole

desiccant core that offers exceptional water and acid adsorption to prevent system corrosion

Johnson Controls D-3153-1 Damper Actuator R-410A If these components are functionalThe Johnson Controls D 3153 1 is a heavy duty pneumatic piston damper actuator engineered for precise control of large ventilation dampers and safety applications. This unit features a rugged die cast aluminum body and a high performance 15 square inch synthetic elastomer diaphragm, providing the force necessary to drive dampers up to 25 square feet in two position applications or 16 square feet for proportional volume control. With an 8 13 psi spring