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Aerosol can, 18 oz, milky finish

Nu-Calgon

Nu-Calgon 4171-75 Evaporator Coil Cleaner 18 oz

SKU CH-Y1FK-MC312

No-rinse foaming aerosol cleans evaporator coils in HVAC and refrigeration systems for improved airflow and efficiency

  • Product typeAir Conditioner Accessories
  • Product colorMilky
  • No-rinse formula saves time by using condensate to clear residue
  • Foaming action penetrates coils to lift embedded dirt and debris
  • Aerosol sprays upright or inverted for flexible cleaning angles
  • Regular coil maintenance improves airflow and HVAC efficiency
  • 18 oz aerosol can delivers heavy-duty evaporator cleaning power

Evaporator Coil Cleaner for HVAC Maintenance

Nu-Calgon 4171-75 Evap Foam is an 18-ounce aerosol cleaner designed for air conditioning and refrigeration evaporator coils. It targets dirt and grime buildup that restricts airflow and reduces system efficiency. The no-rinse formula uses system condensate to wash away residue automatically. It suits technicians and facility managers performing routine coil maintenance.

Foaming Action Under Continuous Use

The alkaline-based foam expands to penetrate deep between coil fins, lifting embedded debris during sustained cleaning sessions. Its self-rinsing chemistry activates with equipment condensate, eliminating manual rinse cycles on the job site. The aerosol valve functions in any orientation, allowing consistent delivery when cleaning coils at awkward angles. Regular application maintains heat-transfer performance over the cooling season.

Compatibility Checks Before Ordering

Verify that the target coils are standard evaporator types found in HVAC or refrigeration units. Confirm the 18-ounce can volume matches the scale of the cleaning task planned. Ensure the work area allows aerosol application and that local regulations permit use of alkaline foaming cleaners. The product ships without additional hardware or application tools.

How it compares

Measured against everything we stock in Air Purification & Protection, at today’s prices. Recalculated every night.

Price $11.99
Cheaper than about 92% of the 59 comparable items (median $29.99).

Specifications

Product
Brand nameNU-CALGON
Product typeAir Conditioner Accessories
Product colorMilky

Questions about this item

Does the aerosol propellant or foam residue add noticeable heat load when I run the HVAC all day after cleaning?

The cleaner is applied while the system is off; once the foam collapses and condensate rinses it away, no propellant or residue remains to affect running temperatures or power draw.

What tools or protective gear do I need to have on hand before using the 18 oz can?

You need eye protection, chemical-resistant gloves, and a way to catch any overspray; the can sprays upright or inverted so no special applicator is required.

Will the alkaline formula harm the copper tubes or aluminium fins on a legacy coil I plan to keep in service?

The product is designed for evaporator coils in HVAC and refrigeration systems and is safe for the copper and aluminium surfaces found in those coils.

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