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Tjernlund UnderAire™ Crawl Space Ventilator — Deluxe Two-Fan, 220 CFM, Model# V2D
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Tjernlund UnderAire™ Crawl Space Ventilator — Deluxe Two-Fan, 220 CFM, Model# V2D

Item# 250746

Only $159.98
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Manufacturer's Warranty: 12 months parts / 12 months labor

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Product Summary


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Fan-powered ventilator quickly reduces moisture in crawl spaces to protect home and occupants. Increases air circulation to prevent condensation, mold, mildew and wood rot. Also helps vent radon gas, treated wood gases and odors, preventing them from migrating into living areas. U.S.A.

Banish Damp Crawl Spaces

Banish Damp Crawl Spaces

Ventilation is the Answer

The Tjernlund UnderAire™ fan-powered ventilator protects your home and family by quickly reducing moisture in crawl spaces. This increased air circulation prevents mold, mildew, condensation and wood rot. It also helps vent radon gas, treated wood gases and odors, preventing them from entering your living spaces and threatening your family’s health.

Built Tough

This Tjernland deluxe two-fan crawl space ventilator is sturdily built from heavy-gauge galvanized steel and is equipped with sealed bearing fan motors rated for continuous duty. This is the only crawl space ventilator with a special ETL Safety listing “suitable for damp locations.”

Simple to Install and Use

The two-fan ventilator features a trimmable galvanized steel faceplate, so it’s easy to fit into any space. It typically mounts into ventilation openings in block foundations. Ventilator can be installed in minutes with the pre-installed power cord and included hardware packet. Fan is equipped with built-in automatic humidity control and freeze control thermostat. The controls are easy to use and understand. The UnderAire ventilator will instantly go to work, drawing out moisture from your crawl space.

How Many Ventilators Will I Need?

Calculate the cubic area of the crawl space by multiplying the length x width x height (in feet). Divide this number by 15 to determine the minimum CFM required to fully ventilate the space in 15 minutes. For example, this two-fan crawl space ventilator delivers 220 CFM and will ventilate a 3,600 cubic foot area in 15 minutes.

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Warranty Protection

This heavy-duty Tjernlund crawl space ventilator is built to last. But to give you extra peace of mind, you are protected with a one-year limited warranty on this product.

Expert Answers are Available

Northern Tool + Equipment is here to help you succeed. Our field-trainied, dedicated team of experts is ready to help — call or email and you’ll get a prompt response.

Guaranteed Satisfaction

Shop in complete confidence, knowing that Northern Tool + Equipment protects your investment and is ready to provide you with the assistance and helpful resources you need.

1 Year Consumer Limited Warranty

Features + Benefits

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Features for Tjernlund UnderAire™ Crawl Space Ventilator — Deluxe Two-Fan, 220 CFM, Model# V2D
  • Deluxe two-fan ventilator
  • Built-in dehumidistat
  • Freeze protection thermostat
  • Sealed bearing motors for long life
  • Mounts into ventilation openings in block foundations
  • Galvanized faceplate can be trimmed to fit

Key Specs

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Item#250746
Ship Weight7.0 lbs
Air Delivery (CFM)220
Speeds (qty.)1
Amps0.60
Volts110
Power Cord (ft.)6
Dimensions W x D x H (in.)18 x 9 x 2

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Extended Warranty

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Service Protection Plus

Manufacturer Warranty:
12 months parts / 12 months labor

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with Service Protection Plus!

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Extended Warranty Replacement Plan
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Tjernlund UnderAire™ Crawl Space Ventilator — Deluxe Two-Fan, 220 CFM, Model# V2D The price is $159.98.
Tjernlund UnderAire™ Crawl Space Ventilator — Deluxe Two-Fan, 220 CFM, Model# V2D
(Not Yet Rated - New)
Item# 250746
In Stock Online
Only $159.98
Hide Similarities
Air Delivery (CFM)
110 1,080 110 110 220
Speeds (qty.) 1 1 1 1 1
Amps
0.30 - 0.3 0.30 0.60
Volts
115 120 120 115 110
Watts - - 20 - -
Power Cord (ft.) N/A (hardwired) - 6 6 6
Remote Included - - No - -
Dimensions W x D x H (in.) 14 3/8 x 6 7/8 x 2 - 18 x 10 x 4 18 x 9 x 2 18 x 9 x 2