Designed exclusively for WhisperValue fan and fan/light combinations, the Transfer Register Box (TRB) provides room-to-room powered circulation in projects with ductless heat pumps. Made of 26 gauge steel, this fire code-rated accessory enables powered 60 CFM transfer at less than 0.3 sone when coupled with the FV-05VS3 WhisperValue fan, sold separately. No need for a radiation damper like on jump ducts; works with standard size HVAC registers - 4" x 10" HVAC supply.
Transfer Register Box: This TRB was designed exclusively for use with WhisperValue DC fans and fan/light combinations; It provides room-to-room air distribution with ductless heat pumps
Durable and Code Compliant: Made of 26-gauge steel, this fire code-rated accessory enables powered 60 CFM transfer at less than 0.3 sone when coupled with the FV-05VS3 WhisperValue fan (sold separately)
Ventilation Flexibility: Works with standard size HVAC registers with 4" x 10" supply; Ideal for use with continuous and spot ventilation in residential and light commercial construction, including single and multifamily homes and renovation/remodeling
Explore Our Selection: We offer a wide range of vent fans including fans with LED lights, timers, heaters, and condensation sensors for humidity control, plus installation kits, soffit vents, replacement motors and fan cover grilles
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