this component provides the reliable thermal data necessary for optimal refrigerant flow and compressor protection in high-efficiency split systems

the Lennox 46K91 HVAC heat exchanger is essential for restoring AFUE ratings and preventing premature inducer motor failure or limit switch tripping caused by airflow restriction or blockages

3-6 Psi Spring Range

protecting the internal components from moisture

Flexible Installation: The modular design allows the control and relay pack to be mounted together or up to 50 feet apart for easier wiring access

Carrier 331709-759 Valve Kit 320074-702 this component provides the reliableThe Carrier 331709 759 Expansion Valve Kit is a critical OEM replacement part designed for precision refrigerant metering in residential and light commercial cooling systems. This Thermostatic Expansion Valve (TXV) is engineered specifically for R 410A systems with a capacity range of 1. 5 to 2. 5 tons. As a direct successor, it functions as the factory authorized replacement for legacy part numbers 331709 761 and EA36YD085, ensuring seamless