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The visible scale allows for immediate confirmation of the differential pressure at which the SPDT contacts will reposition
it provides a critical thermal and pressure safety margin
ensuring stable motor operation for blower assemblies and condenser fan motors
the J111P3 offers a precise fit for integrated pilot-operated valves
and FSH3BF4M2SX24K series
Lennox 11J09 Pressure Switch 320734-701 The visible scale allows forThe Lennox 11J09 Pressure Switch is a high precision, single stage OEM combustion air pressure switch designed for specific Lennox and Armstrong furnace applications. Technicians know that maintaining exact pressure differentials is critical for safe system sequencing; this component is factory calibrated to actuate at 0. 60" W. C. (Water Column). This S1 11J09 induction fan pressure switch replaces legacy part numbers 11U65 and 104106 03, ensuring
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