Lennox 13U52 Heat Exchanger 318518-761 Q: Where is this actuator

Q: Where is this actuator typically installed

streamlining installation in tight plenum spaces

Always refer to the specific unit service manual for the final foot-pound specifications to prevent crushing or uneven loading

Unlike standard test buttons that only check electronics

This replacement shaft seal kit is specifically calibrated for residential and light commercial furnace applications where precise fitment is mandatory to avoid efficiency loss

Lennox 13U52 Heat Exchanger 318518-761 Q: Where is this actuatorThe Lennox 13U52 Heat Exchanger Assembly is a precision engineered 240K BTU aluminum heat exchanger designed for high capacity thermal transfer in demanding light commercial and residential HVAC applications. As a genuine OEM Lennox replacement part, this assembly (part number 613927 09) ensures a perfect physical and pressure drop match for KGA, KGB, LGH, and LGM series units. The corrosion resistant aluminum construction provides superior thermal