Commercial Range - Fernox USA

Protector+ Filter Fluid F9 2.6 gal

Thu, 08 Jan 2026 00:33:10 +0000

Protector+ Filter Fluid F9 is an enhanced inhibitor incorporating dispersant technology which provides excellent corrosion protection, limescale inhibition and pH control in HVAC and light commercial heating and cooling systems. Designed for use with one of the Fernox commercial range in-line system filters or similar, this unique inhibitor package includes an active dispersant which aids […]

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Leak Sealer F4 2.6 US GL

Thu, 08 Jan 2026 00:31:01 +0000

Leak Sealer F4 is an internal leak sealer developed for use in HVAC and light commercial heating and cooling systems to seal small, inaccessible leaks and weeps which may cause pressure loss and boiler breakdown. Once dispersed within the system, the product finds the area of oxygen ingress and forms a polymer to seal the […]

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Cleaner F3 2.6 US GL

Thu, 08 Jan 2026 00:30:58 +0000

A universal cleaner designed for use in HVAC and light commercial heating and cooling systems, Cleaner F3 can be used for the pre-commission cleaning of new systems, removing flux residues, oil/grease and other installation debris. Cleaner F3 can also be used to remove sludge, scale and other circulating debris in existing contaminated systems, therefore improving […]

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Protector F1 2.6 US GL

Thu, 08 Jan 2026 00:30:56 +0000

Protector F1 protects against corrosion and limescale formation in light commercial and HVAC heating and cooling systems. This product also provides excellent pH buffering to ensure the system water remains within the optimum pH range to prevent corrosion in mixed-metal systems. Protector F1 is compatible with all other Fernox commercial products and is suitable for […]

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TF1 Delta Filter Thermal Cover

Thu, 08 Jan 2026 00:30:30 +0000

The TF1 Delta Filter Thermal Cover further enhances the efficiency of a commercial central heating system already protected by a TF1 Delta Filter. Expanded Polypropylene (EPP) used as Thermal Covers insulate and fully encapsulate the filter to keep system heat loss to a minimum. Dimensions: 645mm (25.4″) x 220mm (8.7″) Weight: 0.4kg (0.9lbs) Protects against […]

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