York S1-063-93515-000 Flue Box Els PW 17895 Always verify with a multimeter

Always verify with a multimeter set to capacitance (MFD) mode

Using a higher temperature limit can compromise the safety of the heat exchanger and void the equipment's UL certification

while the poppet design maintains high sensitivity at low flow rates

For optimal performance in FRL systems

York S1-063-93515-000 Flue Box Els PW 17895 Always verify with a multimeterThe S1 063 93515 000 is a critical OEM York furnace flue box designed for high performance combustion gas management. This top mounted collector box interfaces directly between the heat exchanger and the draft inducer motor, ensuring a seamless, sealed path for exhaust gases. As a specific HVAC collector box, it is engineered to withstand extreme thermal cycling without warping or compromising the airtight seal necessary for draft pressure. When