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42-19423-01
Check for soot accumulation on the thermocouple tip or improper flame impingement
Is this relay compatible with 50Hz power systems
this cover can often be used with older series when paired with the 14003192-001 wallplate adaptor kit
usually removing the requirement for downstream venting
York S1-024-39490-000 Pressure Switch 42-19423-01The 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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