Freez-Therm is an inhibited ethylene glycol-based heat transfer fluid and antifreeze for chilled water, hydronic and other closed systems. It is formulated with a fluorescent green/yellow dye for leak detection and product identification and an industrial strength corrosion inhibitor designed specifically for HVACR systems. It is a complete heat transfer fluid and freeze point suppressant.
.nucalgon.com/products/specialty/visible-defects I bought this system from the original seller years ago when I was in business. I have two gallons of fluid with it as well. I will post some actual pictures later this week of my kit.
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