Designed for precise timing

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

It is specifically engineered for use with Warrick liquid level controllers and induction relays

reducing resistance issues and preventing premature failure caused by improper installations

Lennox X6673 Replacement Filter Els PW 17895 Designed for precise timingThe 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,