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as the 3H0206340002 is a direct functional replacement
this furnace limit switch utilizes a rugged T-O-D 60T15 construction to handle the rapid thermal cycling typical of residential and light commercial heating applications
Direct Application Compatibility: Replaces C6437501 and C6437503 without the need for mounting modifications
a blocked flue
specifically for linkage-based installations
Nordyne 632520R Pressure Switch as the 3H0206340002 is aThe Nordyne 632520R Pressure Switch is an essential safety component for gas furnace maintenance and repair. This OEM replacement part is a Single Pole Single Throw (SPST) switch factory set to 0. 80" WC. It serves as a critical draft proving switch, ensuring that the inducer motor is pulling the correct vacuum through the heat exchanger before allowing the ignition sequence to proceed. As a veteran grade HVAC induction component, the 632520R is a
