Copeland Comfort Control (White Rodgers) 21D28-6 Control System R-410A Secure Terminal Interface: The 3-screw

Secure Terminal Interface: The 3-screw terminal layout minimizes resistance and prevents loose connections in high-vibration compressor housings

This rod is designed to fit the KG10A ball joint

but you must verify the specific part number against your model’s data plate before installation

it prevents binding and mechanical interference in compact air handler or boiler configurations

technically designated as the KVP-12 evaporator pressure regulator

Copeland Comfort Control (White Rodgers) 21D28-6 Control System R-410A Secure Terminal Interface: The 3-screwThe Copeland Comfort Control (White Rodgers) 21D28 6 Control System is a professional grade solution for managing evaporative cooling systems with precision. As a direct replacement for the legacy 21D28 3, this integrated kit includes the 1F51 619 thermostat and the 8A18Z 2 control box, ensuring seamless field integration. Engineered for multi voltage versatility, the unit features an integral transformer compatible with 120 VAC or 240 VAC primary