Select a radon system with a reliable U-tube manometer or digital monitor so you can easily verify the fan is operating

https://privatebin.net/?c98ea3c437dcdc85#8y4vuXip5FtHV5Gmn1TRh4d9tP7xZZPDoxarYyaEih6y

Select a radon system with a reliable U-tube manometer or digital monitor so you can easily verify the fan is operating and maintaining proper suction.