Armstrong Furnace R40154B010 Limit Switch Els PW 17895 Its moisture-resistant insulation and precision-fired

Its moisture-resistant insulation and precision-fired heating element provide the durability needed for demanding heating seasons without the risk of premature failure typically seen in aftermarket knock-offs

provided the physical dimensions align with the burner's flame path

Common Questions Is the Sporlan C-084-S suitable for heat pump applications

Using an OEM Modine limit switch ensures the safety circuit operates within the exact tolerances of the original equipment engineering

Engineered for high-pressure cutout protection

Armstrong Furnace R40154B010 Limit Switch Els PW 17895 Its moisture-resistant insulation and precision-firedThe Armstrong Furnace R40154B010 Limit Switch is a critical high limit safety control engineered for precise thermal monitoring in residential heating systems. This L150 30 R40 limit switch is designed to open at 150F and features an automatic reset that closes once the temperature drops by 30F, typically around 120F. As an essential component for system protection, the R40154B010 (functionally identical to 40154B 010) prevents the heat exchanger from