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The ACE CHEMICAL FNC1 is a high-alkaline, high-foaming liquid coil cleaner formulated for condenser coil maintenance in HVAC systems. At a pH of 13.5, the alkaline formula delivers strong grease-cutting action, making it suited for heavily soiled coils in commercial and residential applications. The dark brown liquid generates a dense foam that penetrates beneath surface contamination, lifts dirt and grease, and carries debris outward to the coil surface for easy rinsing. HVAC technicians reach for this product during scheduled condenser maintenance or when airflow restrictions from coil fouling are reducing system efficiency.
The FNC1 is intended for use on condenser coils exposed to grease-laden air, dust, and environmental debris. Typical applications include rooftop package units, split-system condensers, and commercial condensing sections where grease buildup from kitchen exhaust or industrial environments accelerates fouling. The cleaner is supplied in a 1-gallon bottle, providing enough volume for multiple service calls or a thorough flush of a large coil assembly.
Designed as a general-purpose alkaline coil cleaner for use on condenser coils in residential and commercial HVAC systems. Always verify that coil fin and casing materials are compatible with high-alkaline cleaners before application.
Application is performed by licensed HVAC technicians as part of condenser coil cleaning and preventive maintenance service. Disconnect and de-energize the unit at the disconnect switch before applying any coil cleaner. Wear appropriate PPE including chemical-resistant gloves and eye protection when handling high-pH alkaline solutions. Rinse the coil thoroughly with clean water after the dwell period to remove all residue and prevent fin or casing corrosion.
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