What does the 'non-lockout' feature mean for a service call

System Efficiency Restoration: Replacing a fouled or leaking header restores the original factory airflow and heat exchange ratings

making it a reliable drop-in replacement for original equipment from Bohn

1/2" ODF sweat connections ensure a secure

York S1-029-20423-044 Orifice 323269-701 What does the 'non-lockout' featureThe York S1 029 20423 044 #44 Burner Orifice is a precision engineered component designed for exact gas flow regulation in residential gas furnaces. Featuring a . 086 drill diameter, this orifice is critical for technicians performing manifold pressure adjustments or burner manifold maintenance on York, Luxaire, and Coleman heating systems. Using an OEM S1 029 20423 044 replacement ensures that the BTU input remains consistent across the burner