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Exhaust Fans and Shutters | Intake
Fans | Evaporative
Coolers | Circulation
Fans | Auto Vent Openers
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Greenhouse Vent Openers
& Supplies
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How automatic vent openers work:
Vent openers do not require
electricity. The opener has a metal cylinder containing a mineral which expands
when heated. This pushes a piston that opens the vent. As the temperature cools,
the mineral shrinks and a spring closes the vent and resets the piston. The opening
and closing of the vent is gradual allowing just the right amount of air flow
for cooling. Vent Opener Dimensions
& Size Comparison |
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Univent Auto
Vent Opener - SALE
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  Univent
Instructions
Instructional
Video
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| The Univent
allows solar-powered control of top and side mounted window vents thanks to its
dual springs. Univent window openers have an adjustable opening temperature of
60° F to 75° F and an 18" maximum opening which would be reached at approximately
20° to 30°F above opening temperature. Opener will lift vents weighing up to 15
lbs. Univents are made from corrosion resistant materials including aluminum and
stainless steel. Univents also feature a unique quick disconnect feature on the
bottom of the unit which is useful when using the opener with a cold frame. This
model is recommended for use with Grow More, Solar Harvest, & most
other greenhouse vents. Order more than one and save! |
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Bayliss Triple
Spring MK7 Vent Openers
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Bayliss
Instructions
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This
is our best hobby vent opener. It has three heavy-duty springs which gives the
opener superior closing power making it ideal for side wall vents and roof vents
in windy areas. Opening temperature is adjustable (Ranges shown below). Maximum
opening of 12" is reached at approximately 20° to 30°F above opening temperature.
Opener will lift vents weighing up to 18 lbs. Bayliss MK7 vent openers are made
from the best corrosion resistant materials: stainless steel, anodized aluminum,
and brass. These are recommended for use with Cross Country greenhouse
vents. Powertubes are interchangeable.
Standard initial opening temperature range: 55° F to 70° F
Orchid Wax initial opening temperature range: 70° F to 85° F
(The new Orchid Wax model allows you to keep
the greenhouse
warmer in cold weather while working well in hot weather also)
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Gigavent Heavy-Duty
Vent Opener
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 Gigavent
Instructions
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is the strongest vent opener available with a lifting capacity of 65 lbs. It has
a hydraulic cylinder which provides superior protection in windy areas. Opening
temperature can be adjusted from 56° F to 70° F and maximum opening of 18"
is reached at approximately 20° F above opening temperature. Gigavent cylinder
can be located in many different positions for maximum mounting flexibility. This
model is too large for use with all of our greenhouses except some of the
Cross Country models. |
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14"
3 Speed Circulation Fan
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This multi
speed fan is composed of a high grade steel construction material with factory
balanced aluminum blades all with a white powder coated finish for maximum corrosion
and rust resistance. It is approved for use with misting and fogging rings for
indoor and outdoor use. Fan has a three speed, completely sealed and permanently
lubricated ball bearing motor with thermal overload protection and pull chain.
The adjustable wall / ceiling mount bracket pivots up to 140°. Includes 8' 110/120v
power cord and pull chain for speed selection.
1540/1400/1100 CFM |
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Greenhouse
HAF Circulation Fans
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commercial quality circulation fans provide airflow for healthy plant growth and
even heat and fresh air distribution in your greenhouse. The enclosed motor is
permanently lubricated and maintenance free. All fans are variable speed capable
when used with one of our fan speed controls and
can be easily automated with a prewired thermostat.
Fans include a 6 ft. grounded power cord and mounting bracket. These fans greatly
increase ventilation in greenhouses using roof vent systems and are effective
at eliminating cold spots when heating your greenhouse. 12"
fan produces up to 1030 CFM of airflow and is recommended for greenhouses
less than 30' long. 20" fan produces
up to 1680 CFM of airflow and is recommended for greenhouses over 30' long. Both
fans have a 1/10th HP motor and only draw 1 amp. Requires standard 110/120 volt
outlet. |
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Greenhouse
Evaporative Air Coolers
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Screened
Venting & Cooling all in one!
Evaporative air coolers, also called pad or swamp coolers, have proven to be the
most effective cooling system for a greenhouse short of an air conditioner. It
pumps water over the special cooling pads which lowers the temperature of air
passing through them. A powerful blower pulls air through these pads and pushes
the cooled air into the greenhouse. Hot air can be exhausted through roof vents
or exhaust shutters and automated with one of our
plug-in thermostats. The cooling pads also act as a filter and help keep out
unwanted insects, dust, and pollen. Coolers have a 2 speed fan which can be used
for ventilation with or without wetting the pads. Coolers come with water hose
connection kit for constant water supply. Requires a standard 110/120 volt outlet. |
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Inflation
Blower and Accessories
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| These blowers
are used for inflating two layers of polyethylene on a greenhouse. The air space
between the two layers provides the greenhouse with insulation. Fan has an adjustable
inlet for obtaining proper operating pressure. 4" diameter mounting flange.
50 CFM max output, 32 CFM at 0.4" SP |
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Mounting
kit secures blower to the greenhouse and includes a deflector to protect the outside
film layer. |
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The
jumper hose is used to allow inflation of side and end walls with one blower. |
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Heating | Venting
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Watering | Electrical
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ACF Greenhouses
380 Greenhouse Drive
Buffalo Junction, VA 24529
434-374-2706 Phone, 434-374-2055 Fax
888-888-9050 Toll Free
Copyright Aarons Creek Farms, Inc. All Rights Reserved.
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