{"product_id":"nu-brite-coil-nu-calgon-4291-18-nu-brite-non-acid-alkaline-condenser-coil-cleaner-18-oz-aerosol-18oz-4291-18","title":"Nu-Calgon 4291-18 – Nu-Brite Non-Acid Alkaline Condenser Coil Cleaner (18 oz. Aerosol)","description":"\u003ch1\u003eNu-Calgon 4291-18 – Nu-Brite® Non-Acid Alkaline Condenser Coil Cleaner (18 oz. Aerosol)\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eNu-Calgon 4291-18 (Nu-Brite®)\u003c\/strong\u003e is a high-performance \u003cstrong\u003eAlkaline-Based Condenser Coil Cleaner\u003c\/strong\u003e specifically formulated to provide the brightening and cleaning power of an acid without the associated safety risks. This professional-strength aerosol is the industry standard for removing stubborn \"baked-on\" grease, oxidation, and outdoor contaminants from air-cooled condensers, restoring peak cooling efficiency.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTechnical Performance:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eUtilizing a specialized surfactant and alkaline builder system, \u003cstrong\u003eNu-Brite®\u003c\/strong\u003e creates a high-foaming action that physically pushes dirt and grime out from deep within the fin packs. Unlike standard cleaners, this aerosol version offers targeted application for smaller residential units or specific \"hot spots\" on commercial coils. It effectively cuts through greasy films and brightens aluminum fins, ensuring maximum heat transfer and lower head pressures during extreme summer heat.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features and Function:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 1: High-Foaming Alkaline Action:\u003c\/strong\u003e The expanding foam lifts and pushes soil out of the coil, cleaning areas that a standard spray cannot reach.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 2: Non-Acid Safety Profile:\u003c\/strong\u003e Provides the \"brightening\" results of hydrofluoric acid cleaners but is much safer for the technician and the equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 3: Targeted Aerosol Delivery:\u003c\/strong\u003e Ideal for spot-cleaning or for use on residential condensers where mixing liquid concentrates is impractical.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature 4: Rapid Grease \u0026amp; Oil Breakdown:\u003c\/strong\u003e Specifically engineered to emulsify the greasy binders that trap dust and cottonwood in outdoor coils.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Details and Key Specifications:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4291-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Nu-Calgon (Genuine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Aerosol Condenser Coil Cleaner (Alkaline)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan Size:\u003c\/strong\u003e 18 Ounces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse Required:\u003c\/strong\u003e Yes (Water Rinse)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Air-Cooled Condensers ONLY (Not for Indoor Evaporators)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 1.4 lbs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e🛠️ \u003cstrong\u003eHVAC Depot Pro Tip: The \"Bottom-Up\" Foam Method\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp\u003eWhen using Nu-Brite® aerosol, always start spraying at the bottom of the coil and work your way up. This allows the foaming action to \"build\" on itself, ensuring the cleaner stays in contact with the fins longer rather than just running down the face. Wait 5–10 minutes for the foam to work, then rinse thoroughly with water until all bubbles disappear.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eCross-Reference \u0026amp; Compatibility:\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003e4291-18\u003c\/strong\u003e is the aerosol version of the famous \"Blue\" liquid concentrate:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Refs:\u003c\/strong\u003e Nu-Brite, 429118, Alkaline Coil Wash, Blue Coil Cleaner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Residential AC units, commercial rooftop condensers, and refrigeration systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Nu-Brite","offers":[{"title":"Default Title","offer_id":52451513139563,"sku":"681001429115","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0922\/9683\/9531\/files\/original_d77ee62c-2bf8-4607-8431-fce5f630b0ec.png?v=1760124395","url":"https:\/\/tophvacparts.com\/products\/nu-brite-coil-nu-calgon-4291-18-nu-brite-non-acid-alkaline-condenser-coil-cleaner-18-oz-aerosol-18oz-4291-18","provider":"HVAC Parts and Equipment Depot Open To Homeowners and Contractors","version":"1.0","type":"link"}