Skip to content
Getting ready for 🛠️ reno season? Save 10% on select products at checkout* with "spring10"
Getting ready for 🛠️ reno season? Save 10% on select products at checkout* with "spring10"

Fantech Rn4EC-4 Inline Radon Fan - 99923

SKU 99923
by Fantech
Original price $706.33 - Original price $706.33
Original price
$706.33 - $706.33
Current price $706.33
in stock, ready to be shipped
Getting ready for 🛠️ reno season? Save 10% on select products with spring10 at Checkout. Brand and product exclusions apply

Rn4EC-4 Radon Fan is the most powerful product on the market for active radon mitigation applications where high suction and high flow are required. It is an excellent solution for high radon levels, poor sub-slab communication, multiple suction points, and/or large sub-slab footprint. Rn4EC-4 replaces models FR200, FR225, and FR250 for radon mitigation.


• Designed specifically for Active Soil Depressurization (ASD) mitigation applications
• High Suction, High Flow
• Dial your suction in with a built-in speed control
• Two soft anti-vibration couplers included
• Set up for a 4” PVC pipe
• For residential and commercial applications
• Air-tight housing - zero leakage
• UV-resistant plastic housing
• UL Listed for safety and outdoor use
• HVI-certified fan performance
• 5-year factory warranty

    Delivery time / Order Processing & Shipping Times

    Rise ships manufacturer direct. We work hard so you receive your product(s) as quickly as possible. Shipping times are subject to each carrier's daily cut-off time, and dependent upon warehouse turnaround. Learn more about our order processing & shipping times here.

    Product Details and Specifications

    Nominal data  
    Voltage (nominal)120V
    Input power174W
    Input current2.1A
    Impeller speed4,099rpm
    Air flowmax 555cfm
    Enclosure class, motorIP54 
    Insulation classB 
    CertificateHVI, cULus 
    Dimensions and weights  
    Duct dimension; Circular, inlet5in.
    Motor typeEC 
    HVI Certified Rating(s)
    ModelSpeedCtrl VoltageHigh Static/Low FlowLow Static/High Flow
    NOTE: Performance is based on 4 inch diameter ducting.





    Rn2EC​4 15/32 (114)10 (254)1 1/4 (32)9 1/4 (235)---
    Rn4EC-35 7/8 (149)11 1/2 (292)1 1/4 (32)9 1/4 (235)4 (102)3 1/2 (89)6 (152)
    Rn4EC-45 7/8 (149)11 1/2 (292)1 1/4 (32)9 1/4 (235)4 (102)4 1/2 (114)6 (152)
    Dimensions in inches (mm).


    Images Wiring - Rn4EC-4 Inline Radon Fan - Fantech


    Interested in Deals and New Products?

    Keep up-to-date on deals and new home building products that benefit your health, your wealth, and the planet delivered right to your inbox.