this probe ensures the integrated furnace control board receives accurate data regarding airflow across the heat exchanger

verifying the continuity of the limit switch is a standard protocol

the internal fiber gasket can be replaced if it becomes compressed or damaged

this bracket is often compatible with other brand actuators that follow the same mounting footprint

this part is precision-molded specifically for KMC Controls pneumatic hardware to ensure proper fitment and travel limits

Bard 8402-031 Limit Switch this probe ensures the integratedThe Bard 8402 031 Limit Switch is a critical safety component designed for high limit temperature regulation in Bard HVAC systems and wall mount units. Engineered for precise thermal monitoring, this OEM replacement limit switch features a fixed set point that shuts down the heating circuit when internal temperatures reach 155F (Open), preventing heat exchanger damage and system overheating. Once the unit cools to 130F (Closed), the switch resets the