05" diameter jackshafts

Optimized Airflow: Precision-engineered layers maintain low static pressure while maximizing HVAC system protection

12" strap is positioned in the specified airflow path

In most HVAC applications

such as a compressor replacement or leak fix

Bard HVAC 8402-094BX Limit Switch 05" diameter jackshaftsThe Bard HVAC 8402 094BX Limit Switch is a critical OEM replacement part designed for high limit thermal protection in Bard heating systems and wall mount heater packages. Rated at a 210F trip point, this automatic reset limit switch (CO) monitors the temperature of the air passing over the heat exchanger. It functions as a primary safety device, opening the electrical circuit to shut down the heating element if temperatures exceed the safe operating