Decoding Formicary Corrosion in HVAC Systems | Causes, Impact, and Prevention Strategies Unveiled!

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Uncover the mystery behind rusted HVAC coils with our deep dive into Formicary Corrosion! 🕵️‍♂️ Have you ever wondered why a coil, just a few years post-installation, ends up rusted? Bet it's formicary corrosion at play. This 'pinhole corrosion' in copper alloys, identified by black, grey, or blue discoloration, results from a chemical reaction involving water, oxygen, and organic acid. Watch to recognize this culprit, especially prevalent in white linesets over the last 5-10 years.
Discover why formicary corrosion matters!
Chris Morin is the Author, Owner & Founder of the popular HVAC Pro Blog. For Advice with Residential HVAC System Design, Quality Installation, and System Diagnosis, you can find Chris’ Articles on HVACProBlog.com, Exclusive Member Content on Patreon, or popular social media outlets Facebook, LinkedIn, Twitter and TH-cam.
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Thoughts on corrosion grenades?