How To Look At A House
McGarry and Madsen's home inspection blog for buyers of
site-built, mobile/manufactured and modular homes
What are the black metal things marked GMX800 that are clamped around the hot and cold pipes above the water heater?
Tuesday, August 7, 2018
They are magnets produced by GMX International, of Chino, California, that act as a “magnetic fluid conditioner for hard water,” and marketed by the company as an alternative to installing a regular water softener system. The reviews by homeowners on the company website are glowing. But most reviewers on independent websites call the product useless and a regrettable waste of their money.
You can decide for yourself whether the $600 to $800 price tag for a whole-house magnetic water treatment system is worth it. “I don’t think they do what they are supposed to,” according to our plumber friend, James Freeman, of J.W. Freeman Plumbing. “But I also don’t think they cause any harm.”
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