Lennox 31L98 Flue Transition 321702-401 or uneven temperature gradients across

or uneven temperature gradients across the coil bank usually indicate a compromised header

Does this harness include the disconnect or molex plugs

Designed for high-reliability refrigerant metering

This typically signals a furnace igniter failure or incorrect voltage

Lennox 31L98 Flue Transition 321702-401 or uneven temperature gradients acrossThe Lennox 31L98 Flue Transition is a critical OEM component designed to provide a secure, airtight connection between the furnace exhaust outlet and the multi stage venting system. Engineered for high efficiency gas furnaces and oil fired boilers, this HVAC vent pipe adapter prevents the escape of toxic combustion gases like carbon monoxide by ensuring a precision fit at the draft inducer or heat exchanger interface. As a genuine Lennox replacement