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

and Luxaire air handlers without the need for mounting bracket modifications

while the Raypak 24V switching relay architecture ensures reliable activation of critical components like circulating pumps

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

outlet pressure for consistent burner performance

Maxitrol KR-4812 Seal Cap 321702-401 OEM Reliability: Direct York replacementThe 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