Trane SWT3221 Pressure switch 321702-401 reducing harmonic vibration

reducing harmonic vibration

which is the most efficient method for economizer operation

For automated temperature regulation

Optimized Combustion: Features a factory-calibrated #33 orifice for stable heat output and consistent BTU delivery in natural gas applications

allowing for reliable startups even in challenging ambient conditions

Trane SWT3221 Pressure switch 321702-401 reducing harmonic vibrationThe Trane SWT3221 Pressure Switch is an essential safety component designed for precise furnace draft inducer motor monitoring. Calibrated to a 1. 4" WC set point, this SPST pressure switch ensures the combustion blower is moving sufficient air to safely vent flue gases before allowing the ignition sequence to proceed. It features 1 4" barb connections for secure pneumatic tubing attachment and is built to withstand the high temperature environment of