Lennox 33J24 Main Burner R-134A this OEM switch ensures proper

this OEM switch ensures proper venting and combustion airflow before allowing the gas valve to energize

the charcoal-blended PCK-48HH is generally preferred

We recommend testing the existing capacitor or replacing it during motor installation to prevent premature winding failure

This dual input sensor model operates within a pressure range of 190-250 psig

though always check for system pressure limits

Lennox 33J24 Main Burner R-134A this OEM switch ensures properFor veteran technicians and mechanical contractors, the Lennox 33J24 Main Burner (also identified under part number 33J2401) is an essential OEM replacement component designed for high efficiency gas furnaces. This precision engineered burner is critical for maintaining the correct air gas mixture and ensuring a stable, clean blue flame during the ignition cycle. Built to withstand high thermal stress, it effectively prevents common issues such as