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Blue 32 oz spray bottle of Nu-Calgon coil cleaner

Nu-Calgon

Nu-Calgon 4291-90 Coil Cleaner 32 oz Blue Bottle

SKU CH-V7RF-VP5JR

32 oz liquid coil cleaner for air-cooled condenser and heating/cooling coils, meeting ANSI Z 88.2, CAN/CSA-Z 94.4 and OSHA 29 CFR 1910.134 standards

  • Color familyBlue
  • Product typeNew
  • Cleans air-cooled condenser and HVAC coils
  • Ready-to-use 32 oz blue liquid formula
  • Meets ANSI Z88.2 respiratory protection standard
  • Complies with CAN/CSA-Z94.4 safety requirements
  • Conforms to OSHA 29 CFR 1910.134 regulations

Air-Cooled Condenser Coil Cleaner

Nu-Calgon 4291-90 is a 32 oz liquid coil cleaner in a blue bottle. It is formulated for air-cooled condenser coils and heating and cooling coils. HVAC technicians and maintenance teams use it to remove dirt and debris from coil surfaces. The product meets ANSI Z 88.2, CAN/CSA-Z 94.4 and OSHA 29 CFR 1910.134 standards.

Thermals Noise and Power Draw

As a non-powered chemical cleaner, the product generates no heat, noise or electrical draw during application. It is applied directly to coil surfaces using spray equipment or a brush. The liquid formulation works without external energy input. No thermal management or power supply is required for its operation.

Sustained Load Behaviour

Under continuous cleaning tasks, the liquid maintains consistent foaming and penetration across multiple coils. It does not degrade or lose effectiveness during extended use on large condenser banks. The formula is designed for repeated application without performance drop-off. Buyers needing a powered mechanical cleaning system will not be served by this chemical-only product.

How it compares

Measured against everything we stock in Yard Ornaments & Garden Statues, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 64% of the 1,271 comparable items (median $40.99).

Specifications

Product
Brand nameNU-CALGON
Product typeNew
Color familyBlue

Questions about this item

How do I apply the 32 oz coil cleaner to air-cooled condenser coils, and what step is often missed?

Spray the liquid directly onto the coils, let it foam and penetrate, then rinse thoroughly with water; the step often missed is the final rinse that removes all residue.

What maintenance or replacement will the 32 oz bottle require after it is used up?

The bottle is single-use; once the 32 oz of liquid is depleted you simply purchase another bottle — no parts inside need servicing.

What limit appears first when using this cleaner continuously on heating and cooling coils?

The 32 oz volume runs out, so the first limit is the amount of product in the bottle.

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