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Lennox 59W40 Proving Switch 321702-401 Is the 150# rating adjustable

SKU 56095961157
USD39.77 USD74.77

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Ships within 48 hours · Estimated delivery Sep 4 - Sep 9

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Rosewood paper grain — description and returns beneath the overlapping buy card.

Description

Is the 150# rating adjustable

Heavy-Duty Construction: Manufactured with high-quality metals to resist corrosion and handle the thermal stresses of continuous cycling

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Lennox 59W40 Proving Switch 321702-401 Is the 150# rating adjustableThe Lennox 59W40 Blower Proving Switch is a critical safety component designed for specific Lennox furnace models and air handling units. This negative pressure switch is calibrated to a precise . 15" WC setpoint, ensuring the inducer motor or blower assembly is generating sufficient draft before allowing the ignition sequence to proceed. As a genuine Lennox replacement part, the 59W40 ensures seamless integration with the existing control board

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