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Inputs up to 300,000 BTU/hr</li>
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Inputs up to 600,000 BTU/hr</li>
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Tjernlund

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The Tjernlund UnderAire Series Fresh Air Supply Fans for Crawl..
$59.95

Tjernlund CS2 Fresh Air Supply Fan is designed to boost fresh ..
$79.95

Features: Boosts air flow in hard to heat or cool rooms; May be used as exhaust or air intake fans; ..
$57.95

Technical Specifications: Inputs up to 600,000 BTU/hr Fits vent pipe sizes 6' & 8' in diameter. RPM:..
$325.95

Technical Specifications: Vent Pipe Diameter: 8', 10'; Frequency of Rotations: 1600 RPM; Input: 450,..
$620.95

Whisper quiet operation; Low sone cross flow blower (1.4 sones) makes it 50% quieter than buzzing 'm..
$69.95

The RV2 Radon Ventilator exhausts radon and other harmful soil..
$82.95

Control hard wired AireShares and other fans up to 3 Amps with a wireless wall switch. Locate switc..
$66.95

Features: Easy installation; Maintenance free operation; Variable speed adjustable; Backward incline..
$95.95

Features: Easy installation; Maintenance free operation; Variable speed adjustability; Backward incl..
$115.95

Features: Economy one-fan ventilator; Sealed bearing motor for long lif; Mounts into ventilation ope..
$62.95

Tjernlund V1D UnderAire Fan Powered Crawl Space Exhaust Ventilator quickly reduces moisture helping ..
$85.95

Tjernlund V2D UnderAire Fan Powered Crawl Space Exhaust Ventil..
$116.95

Fits Duct Size: 3'; Flange Size: 10 x 7-3/4'; Cap Height: 5-1/4'; Cap Width: 5-3/4'; Construction Ma..
$58.95

Technical Specifications: Power: 1/4 HP; Frequency of Rotations: 1725 RPM; Voltage: 115 V; Amperage:..
$399.95

Technical Specifications: Height: 9-1/2'; Width: 9'; Depth: 7'; Fits: 5-8' Pipes; Voltage: 115 VAC; ..
$161.95

For cooling applications mount intake fan low and supply diffuser high for optimal effectiveness and..
$104.95

For cooling applications mount intake fan low and supply diffuser high for optimal effectiveness and..
$146.95

Impeller: Transtangental, cross-flow; Sound: 42 db (1.15 Sones); Dimensions: White Ceiling Grille..
$142.95

4' backdraft damper with galvanized steel collar and lightweight aluminum damper blades. ..
$25.95

6' backdraft damper with galvanized steel collar and lightweight aluminum damper blades. ..
$32.25

8' backdraft damper with galvanized steel collar and lightweight aluminum damper blades. ..
$51.95

Capacity: 1200 CFM; Frequency of Rotations: 1450 RPM; Power: 155; Thermostat Range: 90-F to 130-F; D..
$319.95

Technical Specifications: Sound: 1.4 Sones; Frequency of Rotations: 1800 RPM; Capacity: 45 CFM; Dime..
$53.95

Technical Specifications: Sound: 1.4 Sones; Frequency of Rotations: 1800 RPM; Capacity: 45 CFM; Dime..
$53.95

Technical Specifications: Applications: Boilers/Furnaces, Water Heaters, Modular Boiler Systems, Mul..
$156.95

Features: Boosts air flow in hard to heat or cool rooms; Models for ducts 6' through 14'; Models EF-..
$74.75

Technical Specifications: For use with: RT1500; 5052 aluminum construction; Gravity damper closes wh..
$117.50

The Tjernlund DH2P Dehumidistat is suitable as a dehumidistat in our CS-Series Crawl Space Fresh Air..
$66.95

Technical Specifications: For use with: RT750; 5052 aluminum construction; Gravity damper closes whe..
$117.50

Technical Specifications: Inputs up to 100,000 BTU/hr Height: 9-1/2'; Voltage: 115 VAC; Width: 9' Mo..
$115.95

Features: Boosts air flow in hard to heat or cool rooms; May be used as exhaust or air intake fans..
$39.50

The EF-AUTO Series Duct Booster fans are designed to increase the flow of heated air in warm air hea..
$126.95

The EF-AUTO Series Duct Booster fans are designed to increase the flow of heated air in warm air hea..
$148.95

4' low profile grille. Connect to duct with included metal collar. Screw action adjustable damper. ..
$20.95

6' low profile grille. Connect to duct with included metal collar. Screw action adjustable damper. ..
$26.50

Features: All operating components weather protected; Durable, heavy duty aluminum Vent Hood; Regula..
$311.95

Features: All operating components weather protected; Regulated, consistent draft throughout burn cy..
$311.95

Technical Specifications: Inputs up to 300,000 BTU/hr Fits vent pipe sizes 4' & 6' in diameter.; RPM..
$242.95

Technical Specifications: Vent Pipe Diameter: 8', 10', 12'; Frequency of Rotations: 1725 RPM; Input:..
$826.95

Use to Side Wall Vent non-condensing gas and oil heating equipment that otherwise would require a co..
$1,179.95

Technical Specifications: Vent Pipe Diameter: 4'; Frequency of Rotations: 3000 RPM; Input: 50,000 - ..
$241.95

Technical Specifications:Power: 1/4, 1/3 HP; Frequency of Rotations: 1725 RPM; Voltage: 115 V; Amp..
$475.95

Features: 5 year no clog, no maintenance guarantee; Saves energy by turning on and off with the drye..
$247.95

Technical Specifications: Capacity: 200 CFM @ 0' w.c.; Dimensions (H x W & L): 7.64' x 9.57'...
$103.95

Technical Specifications: Capacity: 530 CFM @ 0' w.c.; Dimensions (H x W & L): 8.74' x 13.11'...
$120.95

The MAC-1E is used in conjunction with the UC1 or UCRT Controls to interlock one additional 24 VAC, ..
$114.95

The MAC-4E is used in conjunction with the UC1 or UCRT Controls to interlock up to four additional 2..
$259.95

Technical Specifications: Electrical rating: 278 VA Pilot Duty at 24 Volts AC; 300 VA Pilot Duty at ..
$35.95

The PS1505 Fan Prover has been designed to monitor the pressur..
$56.95

The PVC4 fan directly connects to 4” Schedule 40 PVC and can b..
$60.95

Whisper quiet operation; Low sone cross flow blower (1.4 sones) makes it 50% quieter than buzzing 'm..
$79.95

Whisper quiet operation; Low sone cross flow blower (1.4 sones) makes it 50% quieter than buzzing 'm..
$82.50

Whisper quiet operation; Low sone cross flow blower (1.4 sones) makes it 50% quieter than buzzing 'm..
$82.50

Perfect for Existing Home Retrofits; Quiet, Efficient Operation; Variable Aspiration Control; Easy I..
$320.95

Increase fireplace draft to eliminate fire starting problems, smoky back-ups and problems like small..
$1,299.95

Increase fireplace draft to eliminate fire starting problems, smoky back-ups and problems like small..
$1,195.95

Increase fireplace draft to eliminate fire starting problems, smoky back-ups and problems like small..
$999.95

Increase fireplace draft to eliminate fire starting problems, smoky back-ups and problems like small..
$925.95

Technical Specifications: For use with: RT1500; Adjustable height: 10'-16'; Heavy duty 5052 aluminum..
$105.95

Technical Specifications: For use with: RT750; Adjustable height: 10'-16'; Heavy duty 5052 aluminum ..
$99.45

Technical Specifications: Control type: manual; Volts: 120; Hertz: 60; Watts: 25; AMPS: 0.50; CFM: 7..
$2.75

Technical Specifications: Watts: 300W; Amps: 3.0A; Voltage: 125 VAC; Hertz: 60;..
$32.95

Control any plug-in device up to 15 Amp / 1800 Watts via a wireless on/off remote up to 80 feet away..
$45.95

Rated for 120 volt fans up to 3 Amps. Includes thermostat with batteries, receiver and mounting har..
$77.95

Features: Comes with 8' power cord; Easy installation; Variable speed adjustability; Maintenance fre..
$155.95

The UC1 Universal Control is compatible with virtually any burner control circuit. Features include:..
$107.95

Technical Specifications: Inlet Diameter: 10'; Rough-in Dimension: 10-1/2' (Round)...
$229.95

Fits Duct Size: 4'; Construction Material: 5052 Aluminum; Finish: Flat; For Use With: 4' Side Wall V..
$85.95

Inlet Diameter: 6'; Rough-in Dimension: 9' (Round)...
$98.95

Inlet Diameter: 8'; Rough-in Dimension: 8-1/2' (Round)...
$212.95

Technical Specifications: Frequency of Rotations: 3,000 RPM; Burner Capacity: ?60,000 BTU / HR; Vent..
$371.95

Technical Specifications: Frequency of Rotations: 3,000 RPM; Burner Capacity: 60,000 - 120,000 BTU /..
$384.95

Voltage: 120 V; Power: 20 watts (1 fan), 40 watts (2 fans); Max Amps: 0.3 (1 fan), 0.6 (2 fans); Cap..
$209.95

Technical Specifications: Power: 1 HP; Frequency of Rotations: 1725 RPM; Voltage: 115, 208, 230 V; A..
$1,039.95

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