it prevents damage to the heat exchanger and ensures the integrity of residential and commercial boiler systems

This specific model is calibrated for the Fahrenheit scale

Technicians should look for water leakage around the inducer motor

which are frequently found on suction ports of medium-to-large capacity scroll and semi-hermetic units

making it ideal for high-traffic areas where user tampering must be avoided

Carrier HH19ZA125 Limit Switch 326058-758 it prevents damage to theThe Carrier HH19ZA125 Limit Switch provides critical thermal monitoring for residential and commercial heating systems. This OEM Carrier replacement part is engineered to open the electrical circuit when the internal temperature reaches 125F, effectively preventing the heat exchanger from exceeding safe operating limits. Classified as an L125 35F limit control, the switch features an automatic reset mechanism that closes the circuit once the system