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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
This unit supports specific Category II and Category IV venting requirements where precise exhaust gas regulation is critical for system longevity and code compliance
this 3-4 ton evaporator coil is built to restore factory specifications and maintain original system pressure drops
Unlike generic hardware
This T&P gauge utilizes a 1/4" NPT back connection for a secure
making it suitable for both 208/230V and 120V circuits
Nordyne 632422R Pressure Switch 321142-301 This unit supports specific CategoryThe Nordyne 632422R Pressure Switch is an essential OEM safety component designed for precise furnace pressure monitoring in high efficiency heating systems. This SPST (Single Pole Single Throw) vacuum switch is factory calibrated to a specific 1. 00" WC (Water Column) set point, ensuring the inducer motor maintains proper static pressure and flue venting before allowing the ignition sequence to proceed. As a genuine Nordyne replacement part, it is
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