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Varmint Guard

PVC Radon Rain Caps

These caps will have problems with ice build up with temperatures below 15ºF for extended periods. Southern exposures and painting the cap a dark color will help to keep the cap free of ice longer.Designed for Schedule 40 PVC
Condensation Bypasses for Outside Systems
Outside systems produce considerably more condensation than inside pipe routes. We strongly recommend routing some of this moisture around the fan to lengthen the life of the fan.The first system below is preferred especially if you live where it's cold enough for ice to form regularly. You can see a good photo of one of these about half way down on this page.

System comes with nylon nipples tapped into a PVC 90º elbow and cap. Match to the size pipe of your system.

Nipples are tapped into a special PVC collar and 90º elbow.
Match to the size pipe of your system.
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