Is the 8407-068BX compatible with older Bard HVAC units

ensuring consistent delivery and stable downstream pressure in industrial and commercial natural gas applications

this is the correct technical replacement

it is performing its safety function to prevent heat exchanger damage

While the 3-way configuration is typically paired with normally closed actuators

Carrier HH19ZA201 Limit Switch Els PW 17895 Is the 8407-068BX compatible withThe Carrier HH19ZA201 Limit Switch is a critical safety component designed for HVAC furnace temperature regulation. This OEM Carrier replacement part functions as a normally closed SPST disc limit switch, engineered to interrupt the heating circuit when the plenum temperature exceeds safe operating parameters. With a calibrated opening temperature of 200F and an automatic reset temperature of 130F, it ensures high limit protection for Carrier, Bryant,