ensuring the inducer motor generates sufficient negative pressure before the ignition sequence begins

and Luxaire air handlers without the need for mounting bracket modifications

OEM Reliability: Direct York replacement part ensures full compatibility with Source 1 equipment specifications

Durable Construction: Features a high-grade brass body and stainless steel internal components to resist corrosion and mechanical wear

the 100170647 ensures the appliance maintains peak combustion efficiency while protecting internal components from premature thermal fatigue

Maxitrol KR-4812 Seal Cap 321702-401 ensuring the inducer motor generatesThe Maxitrol KR 4812 is a precision engineered seal cap with gasket designed specifically for Maxitrol gas pressure regulators. This critical component ensures a gastight seal on the adjustment screw, maintaining consistent outlet pressure and preventing environmental contaminants from entering the regulator housing. Engineered for compatibility with RV47, RV48, RV52, and R500 series regulators, the KR 4812 provides a secure mechanical fit that meets