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microscopic pitting on the Kanthal rod can lead to recurring phantom flame failures
ensuring repeatable performance
Direct Cross-Reference: Replaces discontinued part number 1183920 without modification
an "open" reading typically indicates a broken internal element
Specifically engineered as the F130-20F model
York S1-024-39490-000 Pressure Switch microscopic pitting on the KanthalThe S1 024 39490 000 is a factory caliber York pressure switch engineered to monitor vital air pressure differentials within the combustion blower assembly. This 0. 26 WC pressure switch acts as a primary safety limit, confirming that the inducer motor is exhausting flue gases effectively before allowing the gas valve to energize. Built as a furnace pressure switch replacement, this component is the direct functional successor to the 024 27557 000,
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