Carrier HH19ZA175 Limit Switch 322838-753 Is the AP13147 a direct

Is the AP13147 a direct replacement for my 5-inch heater flue

Precision Balanced: Factory-balanced to reduce vibration

standardizing the defrost cycle regardless of the cut-out adjustment

for proper operation

plus eliminates the risk of fire

Carrier HH19ZA175 Limit Switch 322838-753 Is the AP13147 a directThe Carrier HH19ZA175 Limit Switch is a critical safety component designed for precise thermal monitoring in residential and commercial HVAC equipment. Optimized for 125 VAC VDC systems, this normally closed (NC) limit actuator operates with a specific 175F open temperature and a 135F close temperature. Built as a Pro Dim high temperature switch, it effectively prevents heat exchanger damage by breaking the 24V control circuit if internal temperatures