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Duotone terrace — saffron brief on the left, garden-folded ledger on the right.
this York high pressure switch is designed for modern refrigerants used in York's industrial lineup
and this OEM Carrier sight glass (also identified as part number 5F20152) is built with a rugged brass body and high-clarity polycarbonate to ensure internal visibility under pressure
it requires a specific microfarad (MFD) rating as indicated on the nameplate
always verify against the manufacturer’s spring chart for your specific model and orifice combination
making it the direct replacement for HC37CE210A
Trane SWT3073 Pressure Switch 319847-401 this York high pressure switchThe Trane SWT3073 Pressure Switch is an essential OEM replacement component for residential and light commercial gas fired furnaces. This SPDT (Single Pole Double Throw) air pressure switch is factory calibrated with a . 76" WC set point to monitor inducer motor airflow and verify appropriate negative pressure before allowing the ignition sequence to proceed. As a critical safety interlock, the Trane SWT03073 prevents unsafe operation by interrupting