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The ASCO 314-372 Rebuild Kit is a precision-engineered solenoid valve repair kit designed to restore the factory-standard performance of ASCO Series 314 direct-acting valves
Engineering a reliable seal for hot and chilled water applications
and Frigidaire furnaces and air handlers
reducing manual intervention on service calls
allowing technicians to monitor accurate downstream pressure directly at the regulator during commissioning
Lennox 59W40 Proving Switch THPU32HP7Y The ASCO 314-372 Rebuild KitThe 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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