Lennox 46K91 Heat Exchanger Refrigerant Installing it vertically may affect

Installing it vertically may affect the bimetal tension and lead to setpoint inaccuracies

this specific model is calibrated for 208V AC operation

and HKN-E9-16-04

or moisture in the sensing tubes

reducing the frequency of service calls and equipment downtime

Lennox 46K91 Heat Exchanger Refrigerant Installing it vertically may affectThe Lennox 46K91 Heat Exchanger is a genuine OEM replacement part engineered specifically for high efficiency Lennox furnaces. As a factory authorized Lennox 46K9101 assembly, this component facilitates critical thermal transfer between combustion gases and the supply air stream, ensuring the structural integrity of the combustion chamber. For technicians performing gas furnace secondary heat exchanger repair, this part provides the exact physical