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radon fan installation 3

https://sierra-wiki.win/index.php/Understanding_Radon_Levels_in_York_PA:_What_Homeowners_Need_to_Know

Installing a radon fan is a hands-on job that involves sealing a sub-slab depressurization system, running PVC pipe from a sump hole through the rim joist, and mounting the fan outside the living space. You'll need to level the fan base, ensure proper electrical connection, and test that the manometer shows a steady negative pressure. It's a satisfying fix that quietly pulls radon from under the house and vents it safely above the roof.