Wacker Neuson 5200014155 Fluid-Cal Flo Antifreeze High-Inhibitor Formula 5 Gallon

The Wacker Neuson Fluid-Cal Flo Antifreeze High-Inhibitor Formula 5 Gallon is a genuine OEM fluid designed for the HIF690 and HIF1200 series Flameless Air Heaters. As the factory-specified coolant for these units, it delivers the precise inhibitor concentration needed to protect internal heat exchanger circuits from corrosion, scale buildup, and freeze damage across a full range of jobsite operating conditions. Sourcing the correct OEM fluid ensures your heater runs within its designed thermal parameters and that internal components are not exposed to chemically incompatible coolant formulations. The is a direct-fill, 5-gallon quantity sized to match typical service intervals for HIF series heaters.

Key Features

• High-Inhibitor OEM Formulation — Purpose-blended with the inhibitor concentration Wacker Neuson specifies for flameless heater cooling circuits, protecting metal surfaces from corrosion and deposits that a generic coolant may not address.
• Direct-Fill Compatibility — Formulated to pour directly into HIF series coolant reservoirs without dilution adjustments, matching the system volume and fill spec for these heaters.
• Fits HIF690 and HIF1200 Flameless Air Heater Series — Confirmed fitment across HIF690 and HIF1200 model variants, including Kubota-engine-equipped HIF690 units.
• Freeze and Boilover Protection — Maintains stable coolant performance in cold-weather construction environments where flameless heaters are most heavily used, preventing coolant freeze that can crack heat exchanger components.
• 5-Gallon Service Quantity — Packaged in a practical 5-gallon container sized for full coolant changes or top-off service, reducing partial-container waste common with smaller volumes.
• Fuel System and Coolant Circuit Safety — Using the correct OEM-specified coolant in indirect and flameless heating equipment is essential; incompatible fluids can degrade seals and compromise the heat exchanger integrity that separates combustion gases from heated air output.

Flameless air heaters like the HIF690 and HIF1200 use a liquid-cooled heat exchanger circuit to transfer heat generated by the burner into clean, breathable air — making them safe for use in enclosed spaces where direct-fired heaters cannot be used. The coolant circulating through this system must maintain the correct freeze point and corrosion-inhibitor level to protect the exchanger tubes and pump seals from degradation. When the coolant breaks down or is replaced with an incompatible fluid, accelerated corrosion and seal failure can compromise both heating output and the critical separation between combustion byproducts and the air being delivered to the workspace.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

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