This DiversiTech Pro-Blue Heavy-Duty Outdoor Coil Cleaner (Lennox 19P43) is a professional-grade solution formulated for effective cleaning of outdoor unit coils on air conditioners, heat pumps, and refrigeration systems. Designed for HVAC technicians and maintenance professionals, Pro-Blue penetrates and dissolves tough buildup including dirt, grease, oil, and environmental contaminants that reduce system efficiency. Its powerful formula restores airflow and heat transfer performance, helping systems operate closer to peak design capacity. The 1 gallon jug packaging is ideal for service trucks and onsite maintenance, offering reliable performance and value for frequent use.

 

Key Features:

• Professional-strength coil cleaner engineered for outdoor condenser coils
• Deep-penetrating formula removes accumulated dirt, grease, and environmental residue
• Enhances airflow and heat transfer to improve system efficiency and performance
• Suitable for air conditioning, heat pump, and refrigeration outdoor coils
• Ready-to-use 1 gallon jug for convenient handling and service-ready storage
• Compatible with standard HVAC maintenance practices

 

Application & Usage:

Use DiversiTech Pro-Blue Heavy-Duty Outdoor Coil Cleaner on outdoor condenser coils to remove stubborn debris that inhibits heat transfer. Apply according to manufacturer instructions, ensuring power to the unit is off and protective equipment is worn. Rinse thoroughly after application for best results. Ideal for regular preventive maintenance and seasonal coil cleaning.

Why Choose 19P43 Pro-Blue Coil Cleaner:
Regular outdoor coil cleaning maximizes heat exchange efficiency, reduces compressor workload, and can lower energy consumption. This heavy-duty formulation from DiversiTech — approved as Lennox replacement part 19P43 — delivers dependable cleaning performance trusted by HVAC professionals.