Armstrong Furnace R40154B025 Limit Switch R-410A Complete Environment Protection: The included

Complete Environment Protection: The included housing and clear dust cover shield Intermatic timer internals from contaminants

This control ensures the compressor remains engaged long enough to establish a consistent refrigerant flow

and Richmond equipment

and White-Rodgers standing pilot models

Is the 3-inch depth a critical measurement

Armstrong Furnace R40154B025 Limit Switch R-410A Complete Environment Protection: The includedThe Armstrong Furnace R40154B025 Limit Switch is a critical safety component engineered specifically for high efficiency HVAC systems. This L130F 30 flame rollout limit switch is designed to monitor internal furnace temperatures, automatically breaking the electrical circuit if the heat exceeds the 130F safety threshold. This genuine Armstrong replacement part ensures your heating system operates within manufacturer specifications, preventing heat