Johnson Controls A19AAC-59 Utility Thermostat Freon this sensor initiates the defrost

this sensor initiates the defrost cycle by closing at 34°F and terminates the cycle by opening at 60°F

ensuring that your HVAC system diagnostics remain accurate and your control loops stay tight

Cross-Brand Compatibility: Engineered for seamless integration with Carrier

Common Questions What causes a limit switch to trip repeatedly

Johnson Controls A19AAC-59 Utility Thermostat Freon this sensor initiates the defrostJohnson Controls A19AAC 59 Utility Thermostat, 120 208 240 Vac, 65 300 Degree Temperature Range, 6' Capillary, Open on Rise, Bulb Style 1, Screw Driver Range Adjuster A19AAC 59 is the direct replacement for A19AAC 61 (SLIGHTLY SHORTER BULB)