Johnson Controls A-4000-6001 Coalescing Filter 30067439-890 When you're dealing with a

When you're dealing with a failing element in an electric furnace or air handler

System Protection: Prevents dryer shutdowns caused by high-pressure trips related to insufficient cooling airflow

If the internal walls of the float chamber show significant pitting

Verify that the 24V signal is reaching the high-stage operator

If your furnace displays a code for 'pressure switch stuck open/closed' and you’ve verified the inducer and venting are clear

Johnson Controls A-4000-6001 Coalescing Filter 30067439-890 When you're dealing with aThe 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