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Home > Installation Accessories and Tools > System Noise Suppressors


System Noise Suppressors

System Noise Suppressors

Made exclusively by Radon Supplies

Recognized as the best system noise suppressor by customers, radon mitigators, and independent testers!

Custom-sized System Noise Suppressors are made for our clients every day - call for more information! Larger pipe diameters, and shorter or longer lengths are available in both Schedule 20 and Schedule 40.
  • Customer favorite!
  • Attach our SNS directly to PVC pipe
  • Available in three different sizes
  • Can be easily installed directly into the rubber coupling at the fan
  • Quick and easy installation
  • ~ 75% noise reduction with NO back pressure*
  • *See chart below for SNS sizes and coupler recommendations
*Noise reduction is even better with the Schedule 40 versions of the Radon Supplies’ System Noise Suppressors.

SNS Coupler Chart

What makes our System Noise Suppressors the best? Our workmanship, professional finished appearance, and of course, our insulation choice...

Insulation Specifications:
  • UL/ULC Classified
  • Utilizes a semi-rigid thermal insulation with a temperature limit of 1000 degrees F
  • Carbon negative, energy saving, and lightweight
  • Does not contain phenol, formaldehyde, acrylics, or artificial coloring
  • </= 25 Flame Spread, </= 50 Smoke (ASTM C 411 & ASTM C 447)
  • Developed in accordance with ASTM E 84, CAN/ULC S102-M88, NFPA 90A and 90B, NFPA 255 and UL 723
  • Water vapor absorption (ASTM C1104) OF
  • Resists microbial growth (ASTM C1338, G21)

Product# Price      Qty
SNS Schedule 20, 18 1/2" Long x 6" Diameter   $84.00
  
SNS-40 Schedule 40, 18 1/2" Long x 6" Diameter   $106.80
  
SNS-40XL Schedule 40, 30" Long x 8" Diameter   $192.00