Lennox 78M23 Thermostat 323055-751 Is there a difference between

Is there a difference between the 32003532-005 and the 32003532-005/U

Does this register include the necessary installation hardware

the Carrier HD60FK650 is the current manufacturer-authorized replacement for the older HD60FK652 motor model

Equipped with 36-inch capillary tube connections

Engineered to meet the exacting standards of original equipment manufacturers

Lennox 78M23 Thermostat 323055-751 Is there a difference betweenThe Lennox 78M23 Discharge Thermostat is a critical safety component designed for precise compressor protection in high performance residential and commercial HVAC units. As a high limit security switch, this Lennox OEM replacement part monitors the discharge line temperature, ensuring that hot refrigerant vapor exiting the compressor does not exceed safe operating thresholds. When the line reaches a critical temperaturetypically associated with high