Direct OEM Compatibility: Specifically designed for Armstrong Air and Allied Air equipment to maintain UL listing and system integrity

using this HVAC high limit switch maintains the original engineering specifications for safety and performance

Key Benefits Universal Compatibility: Optimized for standard 3/8" damper shafts and splined actuator shafts common in Barber Colman and Schneider Electric systems

The Schneider Electric (Barber Colman) 2420-001 Pressure Gauge is a professional-grade diagnostic and monitoring tool designed for continuous indication of air pressure within pneumatic control systems

York S1-025-37494-000 Limit Els PW 17895 Direct OEM Compatibility: Specifically designedEnsure critical thermal safety in your HVAC equipment with the York S1 025 37494 000 Auto Limit Switch. This high performance safety device is specifically engineered for precise system protection, featuring a fixed 170F opening temperature and a 140F closing temperature for automatic reset functionality. As a vital component for high limit oversight, this York HVAC furnace limit switch prevents heat exchanger damage by breaking the circuit if