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4"WC SPST Pressure Switch operates as a normally open control that closes once the draft inducer motor establishes a negative pressure of 0
Common Questions Why does my furnace light for 4 seconds then shut off
For technicians performing vent blower maintenance
Can this be used on dual-dial pneumatic units
Amana-Goodman 20028401 Pressure Switch 4"WC SPST Pressure Switch operatesThe Amana Goodman 20028401 Pressure Switch is a critical safety component designed for specific high efficiency furnace applications. This SPST (Single Pole Single Throw) inducer pressure switch is factory calibrated to a 1. 35" WC set point, ensuring precise monitoring of the combustion air blower's static pressure. Built for durability in demanding HVAC environments, it features a standard 1 4" barb connection for secure pneumatic tubing attachment
