Liebert 127992P1S Valve Kit 326058-757 The Trane SWT2976 Pressure Switch

The Trane SWT2976 Pressure Switch is a critical safety component found in residential and light commercial Trane and American Standard gas furnaces

Key Benefits Simplified Wiring: Replaces bulky relay logic with a compact track mount logic board featuring screw terminal connections for fast installation

By utilizing non-polarized two-wire thermostat cabling

but the current monitoring circuit is self-powered via induction from the monitored conductor

Liebert 127992P1S Valve Kit 326058-757 The Trane SWT2976 Pressure SwitchThe Liebert 127992P1S Valve Kit is a critical 24V humidifier drain valve assembly engineered specifically for high precision thermal management systems. This kit is a direct OEM replacement designed to handle the frequent cycling and high temperature condensate discharge common in Liebert deluxe system 3 units and other precision cooling equipment. As an HVAC solenoid valve kit, it utilizes a 24VAC coil to actuate the drain sequence, preventing