The Lennox 49L92 Pressure Switch is a high-precision OEM HVAC replacement part engineered for critical safety monitoring in Lennox gas furnaces and air handlers

Is this suitable for both suction and liquid lines

check the secondary terminals for 24VAC while the primary is energized with 208/240V

0 mA minimum sensitivity)

Key Benefits for Technicians Direct OEM Compatibility: Specifically engineered to replace the 36E29-101 without necessitating manifold modifications

Johnson Controls A-4000-632 Filter Element Els PW 17895 The Lennox 49L92 Pressure SwitchMaintaining pneumatic system integrity requires high efficiency filtration, and the Johnson Controls A 4000 632 is the industry standard for removing oil vapors and aerosols. As a direct replacement for the A 4000 147, this charcoal filter element is engineered for A 4000 series oil removal stations, providing a consistent 10 SCFM airflow capacity. The unit features a specialized epoxy coating to resist corrosion in demanding mechanical rooms,