Lennox 45K27 Flue Gasket Els PW 17895 The York S1-024-25391-700 Relay is

The York S1-024-25391-700 Relay is a high-duty compressor potential relay engineered for precise startup control in residential and commercial condensing units

Operating at 120VAC

The internal assembly utilizes DuraForm Technology to prevent overheating during the brazing process

Common Questions What happens if a bleed resistor fails in an HVAC system

the precision of a motor run capacitor directly impacts the SEER rating and longevity of the system by providing a consistent phase shift to the motor windings

Lennox 45K27 Flue Gasket Els PW 17895 The York S1-024-25391-700 Relay isThe Lennox 45K27 Flue Gasket (also identified by part number LB 66251) is an essential OEM component for maintaining the structural integrity of the exhaust system in high efficiency gas furnaces and commercial rooftop units. Designed to withstand the thermal stress of combustion cycles, this high temperature flue gasket creates a critical airtight seal between the flue pipe and the furnace transition. By preventing the leakage of combustion by