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Thermal Resistance: Premium porcelain insulator prevents voltage leakage even under extreme operating temperatures within the burner housing
While designed for Barber Colman lines
essential for multi-stage fan control and safety interlocks
this component is rated for use in both 50Hz and 60Hz electrical environments
the KH12 provides a reliable solution when direct coupling is not feasible
Nordyne 632451R Pressure Switch Thermal Resistance: Premium porcelain insulatorThe Nordyne 632451R Pressure Switch is a critical safety component designed for precise draft monitoring in high efficiency gas furnaces. Set at . 90" WC, this Single Pole Single Throw (SPST) switch ensures the inducer motor is moving sufficient combustion air before the ignition sequence initiates. Engineered specifically for M3 furnace series and compatible with brands like Intertherm, Miller, and Frigidaire, this furnace air pressure switch
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