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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
Serviceable Design: Servo-operated piston technology provides precise control for liquid and gas lines
Precision-engineered with a 22-inch diameter and a specific 24-degree pitch
providing the necessary spring tension to keep filter banks aligned even under high static pressure or variable frequency drive (VFD) airflow surges
Measure the resistance across the leads and compare the value against the official York PT chart for the current ambient temperature
Electrical Protection: Includes automatic thermal overload protection to safeguard the windings against overheating and voltage fluctuations
Lennox 63W56 Pressure Switch R-410A Serviceable Design: Servo-operated piston technologyThe Lennox 63W56 Pressure Switch is a dual stage combustion air prover designed for precise draft monitoring in high efficiency gas furnaces. This SPST normally open switch features dual setpoints of 0. 35" WC and 0. 60" WC, facilitating the sequenced operation required for two stage heating cycles. Engineered as a direct OEM replacement part, it ensures the inducer motor maintains proper static pressure before allowing the ignition sequence to