utilizing an OEM York replacement part ensures the sensor maintains the specific geometry required for proper alignment within the burner stream

use the 5500-203

Designed for precise timing

supporting accurate flame sensing and reducing false-positive ignition failures

Lennox X6673 Replacement Filter Els PW 17895 utilizing an OEM York replacementThe Lennox X6673 (HCF20 11) is a high performance MERV 11 replacement filter designed for the Healthy Climate air cleaner series. This 5 inch deep pleated media filter provides superior filtration efficiency compared to standard 1 inch disposables, significantly increasing the dust holding capacity without causing excessive static pressure. It is engineered to capture 85% of particles down to 3 microns, including mold spores, pollen, and pet dander,