Suction point from interior drain tile
System manometer shows the system is functioning
Garage attic installation with insulation
Added height for better port seal
With Vals help, I am operating a very efficient system at just 15 watts with a static pressure of 0.6" with constant radon level of 1.3.Tip - When installing the 4" access plug, cutting a 4" piece of PVC to raise it up allows it to seal easier. (It is now expanding against the lexan cover and not under it).
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