Lennox 13U52 Heat Exchanger 321894-706 this specific model is factory-set

this specific model is factory-set for Natural Gas (NG) only

What are the specific compatibility requirements for integrating the Beckett 5670 Valve Kit into existing oil burner setups

ensuring reliable performance across a variety of commercial cooking and heating equipment setups

and Payne air handlers and furnaces

Direct OEM Replacement: Ensures perfect fitment for York S1-073-05908-000 specifications without field modification

Lennox 13U52 Heat Exchanger 321894-706 this specific model is factory-setThe 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