Standardized Connections: Features a 5/16" ODF suction and 1/4" ODF discharge for standard sweat-fit installation

High Load Capacity: The SPDT relay is rated for 10A at 120/240Vac

How do I install the firmware update with this card

and ductwork for airflow obstructions

Cleveland Controls NS2-3126-00 Pressure Switch Els PW 29614 Standardized Connections: Features a 5/16"The Cleveland Controls NS2 3126 00 Pressure Switch is a genuine OEM air pressure switch engineered for reliable pressure sensing in gas furnaces, HVAC equipment, boilers, and other combustion air systems. Factory calibrated to 0. 45" WC (inches water column), this pressure proving switch monitors inducer blower performance and verifies proper venting before allowing ignition. Accurate pressure sensing helps maintain safe equipment operation by