Lennox 46K93 Heat Exchanger 320074-702 Constructed with durable internal components

Constructed with durable internal components

this unit integrates a full-port isolation ball valve with a factory-set 125 PSI relief valve

while counter-clockwise rotation decreases it

the mounting bracket and plate dimensions are often utilized for other 5000 series models that share the same horizontal subbase dimensions

this HVAC draft inducer switch monitors differential pressure to prevent unsafe combustion conditions caused by blocked flues or failing motors

Lennox 46K93 Heat Exchanger 320074-702 Constructed with durable internal componentsThe Lennox 46K93 Heat Exchanger is a critical genuine OEM replacement part specifically engineered for high performance Lennox HVAC systems. As a veteran technician knows, maintaining the integrity of the combustion cycle depends on a robust furnace heat exchanger. This aluminized steel component is built to withstand high cycle fatigue and thermal stress, ensuring maximum thermal expansion management and efficient heat transfer. Utilizing this Lennox