Truma Alde Glycol | Premium Heat Transfer Fluid For Optimal Corrosion Resistance | Protects Heating System Components | Suitable For All Weather Conditions | Eco-Friendly Formula

The Alde Glycol Is A High-Performance Heat Transfer Fluid Specifically Designed For An Aluminum Heating System. It Features Superior Corrosion Protection However It Is Still Recommended To Replace The Fluid Every Two Years. Alde-Branded Glycol Is Recognizable By Its Blue-Green Color. It Is Recommended That You Do Not Mix Brands Of Glycol. If The Glycol In Your Current System Is A Different Brand Or A Color Other Than Blue-Green, We Advise That You Have The System Flushed By A Trained Technician And Refilled With Alde-Branded Glycol.