Carrier HH19ZA145 Limit Switch 322838-753 Technicians should replace these gaskets

Technicians should replace these gaskets whenever the heat exchanger header is removed for inspection or if there are visible signs of weeping or calcification around the header flange

4 in-WC setpoints to provide accurate 2-stage furnace cycling

Key Benefits Direct OEM Compatibility: Specifically designed to replace Modine 5H73598-2 and FP 12930 without bracket adjustments

Is the switch bad

and M9124 actuators in configurations where direct mounting is not feasible

Carrier HH19ZA145 Limit Switch 322838-753 Technicians should replace these gasketsThe Carrier HH19ZA145 Limit Switch is a critical safety component designed for precise thermal monitoring in HVAC furnace systems and packaged units. As a high performance OEM replacement limit switch, this disc style sensor features a normally closed circuit that provides essential protection against heat exchanger overheating. Engineered to open at 145F and close at 105F, this automatic reset limit switch ensures your heating equipment stays within