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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
This gas heater propane conversion kit includes the calibrated LP gas orifices
a ruptured main valve diaphragm
OEM Reliability: Ensures exact 2-stage furnace sequencer timing profiles
The physical valve operates mechanically regardless of sensor activation
For contractors managing refrigeration rack systems or large walk-in coolers
Trane SWT3221 Pressure switch 323613-751 This gas heater propane conversionThe 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