Carrier 312926-206 Pressure Switch 321042-401 Verified Signal Accuracy: Prevents nuisance

Verified Signal Accuracy: Prevents nuisance lockouts by providing a stable flame detection signal to the control board

the T-4000-2146 is strictly designed for vertical mount applications

Proper handling is critical—avoid touching the ceramic element with bare hands

Universal Compatibility: Replaces nearly all silicon carbide HSI modules

preventing the warping or corrosion that often plagues universal aftermarket alternatives

Carrier 312926-206 Pressure Switch 321042-401 Verified Signal Accuracy: Prevents nuisanceThe Carrier 312926 206 Pressure Switch is a mission critical OEM replacement part designed for precision monitoring in residential and commercial HVAC systems. This factory authorized part functions as a low pressure switch featuring a 22 7 PSI set point (opens at 7 PSI, closes at 22 PSI) to protect the compressor against low charge conditions, loss of airflow, or metering device malfunctions. Built to exact Carrier Corporation specifications, it