Tjernlund UNDERAIRE CRAWL SPACE Ventilation Fan
Tjernlund UNDERAIRE Crawl Space Ventilation Fan. Ventilates Moisure and Increases Air Circulation. Helps Radon Gas Mitigation.
High humidity levels in Crawl Spaces is the leading cause of premature rotting of support columns, joists, floors and beam supports. Humidity causes Fungus and Mold growth and increased Termite activity. It can also cause plumbing failures due to rust & corrosion. Crawl Space ventilation acts as a Natural Dehumidifier to aid in basement waterproofing.
- Galvanized Face Plate- may be trimmed if necessary.
- Sealed Bearing Motor(s)
- Safety Thermostat deactivates fan below 40F degrees to avoid freeze-ups.
- Models V1D & V2D also include an Adjustable Dehumidistat and have 6' grounded power cord.
- Easy to Install behind existing Ventilation Air Grille opening. Screws and masonry wall anchors are included.
- All Models are 115 VAC with 40°F Safety Thermostat
V1 SINGLE Fan BRICK Foundation |
110 CFM .30 Amps 14 3/8" W X 6 7/8" H X 2" D |
Required Switch or Dehumidistat (DH-10 ) |
V1D SINGLE Fan BLOCK Foundation |
110 CFM .30 Amps 18" W X 9" H X 2" D |
Includes Dehumidistat & 6' Power Cord |
V2D DUAL Fans BLOCK Foundation |
220 CFM .60 Amps 18" W X 9" H X 2" D |
Includes Dehumidistat & 6' Power Cord |
DH10 Dehumidistat |
On / Off or 20% - 80% Humidity Control |
Allow 5 Business Days Order Processing by Tjernlund Products Click for UPS Delivery Transit Time |