low setpoint

making it suitable for modern high-pressure R410A applications

Key Benefits: OEM Compatibility: Specifically engineered as a direct-fit Sterling furnace part for consistent performance without rig-up modifications

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

The electrical internal consists of a 120Vac Coil Class F

Johnson Controls A-4000-632 Filter Element Els PW 17895 low setpointMaintaining 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,