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System Protection: Prevents dryer shutdowns caused by high-pressure trips related to insufficient cooling airflow
it ensures factory-spec calibration and timing for sequence of operation
If your furnace displays a code for 'pressure switch stuck open/closed' and you’ve verified the inducer and venting are clear
Verify that the 24V signal is reaching the high-stage operator
Physically inspect the valve during a mode change
Johnson Controls A-4000-6001 Coalescing Filter 30067439-890 System Protection: Prevents dryer shutdownsThe Johnson Controls A 4000 6001 Coalescing Filter is a critical component for maintaining high purity pneumatic control systems. Engineered to handle a flow rate of 40 SCFM, this high performance filter provides industry leading air quality by achieving 99. 999% efficiency for particulates 0. 025 microns and larger. Specifically designed to remove oil aerosols and sub micronic contaminants, it protects sensitive downstream instruments from fouling