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and sleeves
For standard fan cycling
the model plug is typically not included
The 22W04 is designed to activate the blower circuit
Carrier HH19ZA125 Limit Switch 321894-708 and sleevesThe 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
