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What is included in this TXV kit
and 24 VAC low voltage
Thread the adapter into the gas valve's thermocouple port
it ensures the manifold pressure and orifice sizing align with factory specifications to maintain 82% thermal efficiency and clean combustion
Carrier HH19ZA125 Limit Switch 320735-701 What is included in thisThe 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