It functions as a primary safety device

High Current Rating: Rated for up to 30A inductive load

Use a multimeter to check for resistance (ohms) across the coil terminals

What is the connection type for the vacuum hose

Hard-seat design provides a superior seal to prevent refrigerant bypass and maintain system EER/HSPF

Johnson Controls A11A-1 Freezestat Els PW 17895 It functions as a primaryThe Johnson Controls A11A 1 is a robust low temperature cutout freezestat designed to provide failsafe protection for hydronic coils, cooling coils, and liquid handling pipes. Featuring a manual reset mechanism, this SPST open low control ensures that systems remain offline following a low limit event until a technician can verify field conditions. The unit utilizes a 20 foot vapor charged sensing element that triggers the internal snap acting