18 Oz. No-Rinse High-Pressure Coil Cleaner

Nu-Calgon® 4290-75 Nu-Blast™ High-Pressure Coil Cleaner – Technical Product Information

Nu-Calgon® Nu-Blast™ 4290-75 is a professional-grade, no-rinse condenser coil cleaner engineered for rapid and efficient removal of grease, dirt, and accumulated debris from air-cooled condenser coils. Packaged in an 18 oz. aerosol can, this solvent-based cleaner combines a high-pressure discharge system with a fast-evaporating, residue-free formulation. Designed for professional HVAC maintenance applications, Nu-Blast™ enhances system efficiency by restoring optimal heat transfer performance. The non-flammable, non-conductive solvent blend ensures safe use around energized components when applied with proper ventilation.

Technical Specifications

• Manufacturer: Nu-Calgon®
• Model Number: 4290-75
• Product Name: Nu-Blast™ Coil Cleaner
• Product Type: No-Rinse, High-Pressure Aerosol Coil Cleaner
• Package Size: 18 oz. (510 g) aerosol can
• Application Method: High-pressure spray
• Appearance: Clear liquid
• Color: Clear / Transparent
• Odor: Sweet, Orange fragrance
• Base Type: Solvent-based
• Composition:
  • Ethene, Trichloro (95–98%)
  • Oils (7–10%)
  • Carbon Dioxide (2–5%)
• Specific Gravity: 1.46 (H₂O = 1.0)
• Flammability: Non-flammable
• Conductivity: Non-conductive
• Evaporation: Complete, no residue
• Cleaning Mechanism: Solvent dissolution with mechanical spray force
• Application Area: Condenser coils, metal fins, heat exchangers
• Recommended Ventilation: Use only in well-ventilated areas
• Operating Temperature Range: Ambient – Do not expose to heat or open flame
• Packaging: Pressurized aerosol container
• Compliance: VOC compliant where applicable
• Safety Precautions: Avoid prolonged inhalation; wear eye and skin protection
• Storage: Store upright, away from direct sunlight and temperatures above 120°F (49°C)

Performance and Design Features

• Combines solvent cleaning and high-pressure mechanical agitation for rapid coil restoration
• No-rinse formulation evaporates completely, leaving no residue or conductive film
• Non-flammable and non-conductive, suitable for energized HVAC components
• Restores heat transfer efficiency and airflow performance in condenser coils
• Safe for use on aluminum and copper surfaces when applied per manufacturer’s guidelines
• High-pressure discharge ensures deep penetration into coil fins for maximum debris removal
• Formulated for field use — ideal for rooftop units, commercial condensers, and remote installations
• Quick-drying, solvent-based cleaner designed for minimal downtime

Professional Summary

Nu-Calgon® 4290-75 Nu-Blast™ Coil Cleaner is an industrial-grade, high-pressure aerosol cleaner developed for professional HVAC technicians requiring efficient coil maintenance in the field. The solvent-powered, no-rinse formula removes oil, grime, and organic residue without the need for secondary rinsing, significantly reducing service time. Its non-flammable and non-conductive properties make it ideal for use in sensitive electrical environments. Engineered for demanding service conditions, Nu-Blast™ maintains system performance, extends equipment life, and ensures compliance with professional maintenance standards.