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

It functions as a primary safety device

Reduced Downtime: Simplifies field repairs of MP953 series actuators without requiring a full unit replacement

offering improved thermal resistance

Simplified Installation: Features SPDT contact arrangement and three screw top terminals with cup washers for secure electrical termination

Johnson Controls A11A-1 Freezestat Els PW 17895 Hard-seat design provides a superiorThe 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