Common Questions Is the S1-025-41239-000 compatible with older York air handlers

as it provides a higher ceiling for electrical stress

specifically optimized for Marvair wall-mount units and industrial HVAC systems

Its solid-state construction ensures steady performance in high-vibration environments typical of mechanical equipment rooms

Which ignition modules are compatible with the VR8204A2076

Lochinvar & A.O. Smith 100148403 Limit Switch 328140-751 Common Questions Is the S1-025-41239-000The Lochinvar & A. O. Smith 100148403 Limit Switch is a critical OEM replacement part designed for high limit temperature protection in commercial water heaters, boilers, and pool heaters. This 175 degree high limit assembly monitors the heat exchanger or outlet water temperature, providing an essential safety cutoff to prevent thermal runaway and equipment damage. Engineered for HVAC systems requiring precise thermal regulation, the 100148403 ensures