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Improved Poly-Vent natural ventilation system is the cost effective solution for your ventilation needs.
Growers with all styles of greenhouses and crops have found it to be the better alternative to expensive
rack & pinion vents and leaky roll-up curtain systems. The new frame has improved water drainage and
is now designed to be mounted to most greenhouse sidewalls without modification. Poly-Vent operates
using only small blowers that can be thermostatically controlled. Single-stage allows you to fully open
or close off your ventilation and two-stage gives you the ability to select different temperatures at which
the top and bottom will open or close. When fully inflated, the dead air also acts as an insulator.
Available in 24”, 36”, 48” and 60” heights.
- Thermostatically controlled
Single-staged or two-staged automatic temperature control for optimal control.
- Rugged construction
Built tough with a 24-gauge galvanized frame for years of use.
- UV-stabilized 4-year poly
Clear, long-lasting poly provides excellent light transmission.
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- Photos
- Options and accessories
- Pricing
- Support
24 gauge galvanized frame is built to stand up to even the harshest environments and give your greenhouse years of natural ventilation.
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In the full-closed position, cool air is prevented from entering the greenhouse and the dead air space acts as an insulated wall.
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Poly-Vent II (single-stage) or Poly-Vent III (two-stage)
give you the choice of full or partial venting for even greater control.
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In the full-open position, Poly-Vent allows complete, natural and free movement of outside air into the greenhouse. There are no expensive fans or cooling pads required.
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One or two long-lasting squirrel-cage blowers
operate the ventilator regardless of length.
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For maximum sidewall ventilation mix and match
single + two-stage stacked systems to any height.
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Sheds water away from your structure.
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The most reliable automatic thermostats available. Wide temperature range with narrow operating differential. Rugged, code-approved, moisture-proof enclosures stand up to the greenhouse environment.
| Part # |
Description |
| RR5003 |
One-speed heating or cooling |
T115 |
$72.00 |
| RR5010 |
Two-stage heating or cooling |
TH109 |
$145.00 |
| FOB Castle Rock, MN |
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The back-up blower system will keep
your Poly-Vent system inflated in the unlikely event of
a power outage. Includes adapter plate, control box, DC
blower, battery charger w/auto shut off. (12-volt battery is not included.)
| Part # |
Description |
| BUBSII |
Poly-Vent II back-up system |
$202.00 |
| BUBSIII |
Poly-Vent III back-up system |
$269.00 |
| FOB
Castle Rock, MN |
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(single-stage)
Base Frame includes: Poly-Vent II,
top and bottom 24 gauge galvanized Poly-Vent gutter, galvanized
front and rear guides and hardware.
Stacking Frame includes: Poly-Vent II,
top and bottom 24 gauge galvanized Poly-Vent gutter, galvanized
front and rear guides and hardware.
End package includes: Sheet metal enclosures for
both ends of frames, one blower to inflate Poly-Vent II,
blower mount, one 3-inch
diameter flex tube, air transfer
gaskets and all hardware.
| Size |
Base Frame Part # |
Base Frame Price L/FT |
Stacking Frame Part # |
Stacking Frame Price L/FT |
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End Package |
| 24" |
PV7022 |
$7.80 |
PV7122 |
$6.40 |
PV8022 |
$170.00 |
| 36" |
PV7032 |
$8.50 |
PV7132 |
$7.40 |
PV8032 |
$180.00 |
| 48" |
PV7042 |
$9.00 |
PV7142 |
$8.50 |
PV8042 |
$185.00 |
| 60" |
PV7052 |
$10.00 |
PV7152 |
$9.35 |
PV8052 |
$190.00 |
| FOB Castle Rock,
MN |
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(two-stage)
Frame includes: Poly-Vent III, top
and bottom 24 gauge galvanized Poly-Vent gutter, galvanized front
and rear guides and all hardware.
Stacking Frame includes: Poly-Vent III, top
and bottom 24 gauge galvanized Poly-Vent gutter, galvanized front
and rear guides and all hardware.
End package includes: Sheet metal enclosures for both ends
of frames, two blowers to inflate Poly-Vent III, blower mounts,
two 3-inch diameter flex tubes, air transfer gaskets and all hardware.
| Size |
Base Frame Part # |
Base Frame Price L/FT |
Stacking Frame Part #
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Stacking Frame Price L/FT
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End Package Part # |
End Package |
| 36" |
PV7033 |
$9.00 |
PV7133 |
$7.60 |
PV8033 |
$260.00 |
| 48" |
PV7043 |
$9.75 |
PV7143 |
$8.70 |
PV8043 |
$270.00 |
| 60" |
PV7053 |
$10.60 |
PV7153 |
$9.60 |
PV8053 |
$275.00 |
| FOB Castle Rock, MN |
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| Size |
Poly-Vent
II Part # |
Poly-Vent
III Part # |
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| 24" |
PV3500 |
N/A |
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| 36" |
PV3502 |
PV3532 |
$2.35 |
| 48" |
PV3504 |
PV3534 |
$2.75 |
| 60" |
PV3506 |
PV3536 |
$3.50 |
| $15
cut charge if less than stock roll. $32 to cut and seal both
ends. FOB Castle Rock, MN |
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If you have questions or are having difficulty with your Poly-Vent please download the setup manual below along with other helpful files.
You will need the free Adobe Acrobat Reader to view these files. |
| Poly-Vent Manual (6.6mb) - Poly-Vent Retro Fit Manual (6.9mb) |
If you need additional technical support or have a question not answered here, we can be reached 8 AM to 4:30 PM central time, Monday through Friday at: Phone: 800-852-3443 (toll-free US and Canada) or 651-463-7009
FAX: 651-463-2479
E-mail: support@poly-tex.com |
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