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What is the primary function of the York S1-024-24111-000
If airflow is sufficient but the furnace still shuts down prematurely
cracks in the venturi tube
The 120/240Vac dual-voltage compatibility facilitates installation in various equipment types
making it suitable for standard HVAC environments and duct heater monitoring but not for direct exposure to high-heat oven interiors
Reznor 259521 Relay Kit/Sequencer Els PW 17895 What is the primary functionThe Reznor 259521 Relay Kit Sequencer is a critical OEM replacement part designed to maintain precise control over blower and venting sequences in gas fired unit heaters. This professional grade time delay relay replaces obsolete components, including P N 46233 (Texas Instruments #60000GO 17) and P N 259518 (ICM #CTVR AT1207). It is engineered for industrial furnace repair and commercial HVAC applications, facilitating the correct sequencing of