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For automated temperature regulation
which is the most efficient method for economizer operation
This switch is calibrated as a high pressure switch with an opening pressure of 303 PSI
Q: Can this shaft be cut to a shorter length
Its low-pressure switch logic provides reliable protection against loss of charge or coil freeze-ups
Trane SWT3221 Pressure switch 321702-401 For automated temperature regulationThe 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
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