Nu-Calgon
Nu-Calgon 4291-90 Coil Cleaner 32 oz Blue Bottle
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
- TypeNew
- Color MappingBlue
- 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.
Highlights
- 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
Specifications
| Brand | NU-CALGON |
|---|---|
| Type | New |
| Color Mapping | Blue |
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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