It will maintain its last position upon loss of power rather than returning to a fail-safe position

OEM Compatibility: A genuine Carrier HH22HA191 replacement

High-Performance Metering: Specifically engineered to minimize energy losses and improve overall system efficiency through precise refrigerant flow regulation

leak-resistant connection

Pressure Stability: Characterized by balanced port geometry to ensure consistent performance across fluctuating ambient conditions

Johnson Controls A19AAA-18 Utility Thermostat 30067439-890 It will maintain its lastUtility Thermostat, SPST, Open Low, 30 110 Degree Temperature Range, 6 Degree Differential, 6' Capillary