Heatcraft Refrigeration 5709L Defrost Limit Thermostat 322838-753 Always inspect the collector box

Always inspect the collector box gasket when installing this HVAC exhaust blower to prevent flue gas leakage into the cabinet

while the color-coded sampling ports (black for positive

specifically designed for compatibility with the 48HJD017-5B0 model series

AEA3430YXA

10-25°F low limit) for stable system performance

Heatcraft Refrigeration 5709L Defrost Limit Thermostat 322838-753 Always inspect the collector boxHeatcraft 5709L Defrost Limit Thermostat The Heatcraft 5709L Defrost Limit Thermostat is designed for commercial refrigeration systems that require reliable termination of the defrost cycle based on evaporator temperature. This temperature sensitive control closes at 35F and opens at 55F, helping protect evaporator coils while ensuring efficient system operation. Commonly used in walk in freezers and refrigerated storage applications, the 5709L