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Return Vent System - Grill Assembly & Fan Unit

This system is for very aggressively venting rooms and closets. It has been designed to work with the home's HVAC system which is the most efficient and effective way to circulate and reprocess the hot air generated by electronic components. While most people believe that the heat generated by components is undesirable, it is a matter of perspective. It can be damaging to electronic equipment but in the winter, most regions pay good money to heat their homes and even when the weather is milder and we seek cooler temperatures (air conditioning), the entire purpose of the HVAC system is to take warmer air and convert it to cooler air. It may not make sense to increase the ambient temperature of the incoming air, but it is much easier for the HVAC system to 'reprocess' air that is simply heated, or really just warm by most standards. For this reason, you never want to vent outside of the home - when venting outside, that air is often times replaced by air from the attic (through recessed lighting or other penetrations) or from outside where the air can be hot, humid, smelly...

If for whatever reason it is not possible to connect to the HVAC system, this system can also be used to easily and effectively vent from the equipment room or closet to another area. The system works in conjunction with the Return Vent System Rough-In Box (VS-RVS-BOX) and from that box, you would typically use 4" flex pipe and let the HVAC contractor make the connection to the HVAC system. If just venting to another area, in that area you would use either the 4x4 duct box or the 4x8 duct box (VS-WDB-HFL or HF) and also the 4" to 3" reducer (for converting the different size flex duct needed), and connect the two duct boxes. In this scenario you would want to vent from the room or closet to a main room or hallway in the house and close a return vent if possible so the warmer air is still reprocessed most efficiently. If you use the 4x4 duct box, you can use the passive grills for 4x5 openings (GR-45) and if you use the 4x8 duct box, use the GR-410 or you can use a standard 4x8 HVAC grill if you wish to match the other grills in your home.


  • Engineered To Efficiently Recirculate Hot Air from Rooms & Closets through the HVAC System or to Another Part of the Home or Office
  • Uses Rough-In Boxes for Installation During Construction which Makes Final Installation Quick and Easy
  • Utilized DC Power System so Electricians are Not Required for the Installation
  • DC Power System Allows for Advanced Control
  • Very Low Noise with Maximum Effectiveness & Efficiency
  • Comes with Air Filter for Dust Collection
  • Grill Assembly can be Painted

    General Specifications

  • Dimension Grill Housing: L - 12 3/4" x W - 12 3/4" x D 2 1/2" (32.3cm x 32.3 x 6.5)
  • Dimension Fan Unit: L - 10" x W - 10" x D 1 1/8" (25.4cm x 25.4 x 3)
  • Construction: Grill & Fan Bracket - Heavy Gauge Steel (Grill - White / Fan Housing - Black)
  • Cooling System: Brushless 92mm Levitation Fans w/Specialty Bearing System (Est. 50,000hr)
  • Air Flow: ~120-260CFM

    Power Specifications

  • Noise: Dependent on Settings (Can be run quietly)
  • Power Connection: 2-Pin FastWire System (Ensure proper polarity)
  • Voltage: 7 to 9V DC for Normal Operation or 9to 12Vfor More Aggressive Cooling
  • Current: 800mA @ 12V DC

  • Availability: Usually ships in 2-3 business days.

    Return Vent System - Grill Assembly & Fan Unit
    VS-RVS-ASBYRetail: $249.95Sale Price: $219.95 (You save: 12%)

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