Planning to install inline with a passive system in attic. Is this a good unit for that? My levels came at 3.9.

Thank you for contacting us at RadonAway with your question about the GP301 fan unit. There are many factors that go into choosing the proper RadonAway fan for mitigating the elevated radon levels. Some of these factors include square footage of the concrete slab, permiability of the sub-slab material as well as the pipe diameter of the system. The GP301 may be suited for this application and consulting with a local Radon Professional may be necessary to make that determination.

My radon reading is 5. the basement sq foot 2500'. i currently have a 3" passive system with a 45' run to the attic. what fan should i buy?

Go to the EPA website for manifold pressure chart. They will answer your questions on that chart.

Does this unit have a sensor to activate it or does it runs all the time?

The fan is designed to run continuously.

Does this one need primer and cement to seal? From description seems no need, just to confirm.

Grab 2 fernco couplings and use those incase it needs to be serviced or replaced. It will fit of 3in. Or 4in. Pvc pipe get the couplings according to the piping you currently have installed.

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RadonAway 23006-1 GP301 Radon Mitigation Fan, 3"

Product ID: 37423509

Details

Brand
RadonAway
Compatible Devices
Desktop Server
Cooling Method
Air
Global Trade Identification Number
Material
Aluminum
Noise Level
41 db

🌀3" diameter duct compatibility

🔌Dual power options: hardwire or plug-in

🛡️ETL Listed for indoor/outdoor use

Description

🛠️ Breathe Easy, Live Safer — RadonAway’s Power in Every Spin!

PLUG PLAY OR HARDWIRE - Electrical box supports both plug-in and hardwire setups
VERSATILE MOUNTING OPTIONS - Mounts easily on duct pipe or integral flange for flexible installation
DURABLE WEATHER RESISTANT - ETL Listed for reliable indoor and outdoor operation
OPTIMIZED FOR RADON MITIGATION - Specifically engineered for sub-slab radon systems
SEAMLESS NEGATIVE PRESSURE SEAL - Ensures airtight radon mitigation performance

The RadonAway 23005-1 GP501 is a high-performance 3" radon mitigation fan designed for sub-slab systems. Featuring versatile mounting, dual power options, and ETL certification for indoor/outdoor use, it ensures reliable, airtight radon reduction with a durable, weather-resistant build backed by a 5-year warranty.

Specifications

ASIN	B008D7WQ3Q
Best Sellers Rank	#91,298 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #249 in Household Ventilation Fans
Brand Name	RadonAway
Compatible Devices	Desktop, Server
Cooling Method	Air
Customer Reviews	4.5 4.5 out of 5 stars (244)
Global Trade Identification Number	00667829230065
Included Components	Fan
Item Weight	6 pounds
Manufacturer	RadonAway
Material Type	Aluminum
Model	GP301
Noise Level	41 db
Number of Items	1
Number of Packs	1
Part Number	23006-1
Power Connector Type	2-Pin
UPC	667829230065
Unit Count	1 Count
Voltage	120 volts
Warranty Description	Five Year Limited Warranty
Wattage	55 watts

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