Rugged Hermetic Build: Eliminates common leak points found in gasketed sight glasses for long-term system integrity

including the Lochinvar 402

essential for multi-stage fan control and safety interlocks

Key Benefits for the Contractor Precise 5 MFD Capacitance: Ensures optimal starting torque and running efficiency for dedicated fan motor applications

York S1-025-38585-000 Limit Switch Rugged Hermetic Build: Eliminates commonThe York S1 025 38585 000 Limit Switch is a critical safety component designed for precise thermal regulation within HVAC systems. This automatic reset limit switch features a single pole single throw (SPST) configuration, engineered to open the electrical circuit at 55F and close at 45F. For veteran techs troubleshooting York, Coleman, or Luxaire units, this part acts as the primary defense against heat exchanger failure by monitoring temperatures