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Charley's Greenhouse
17979 State Route 536
Mt. Vernon, WA 98273
1-800-322-4707
Home / Shop Accessories / Ventilation / Vent Openers

Vent Openers

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3515 Univent Automatic Vent Opener
List price: $52.95
$49.95
This unique solar vent control will open and close roof vents, a cold frame lid, top-hinged wall vents, or even the greenhou...

3527 Optivent Automatic Roof Vent Opener
List price: $52.00
$49.95
This streamlined, solar-powered, vent opener fits very close to the roof, up out of the way. Starting temperature is easy to ...

3533 Liberty Louver Opener
This is a Charley's exclusive item, available only from Charley's Greenhouse.
$44.95
This solar-powered control will open and close a louver window as temperatures change, enhancing air flow through the greenho...

3503 Bayliss MK7 Triple Spring Vent Opener
This is a Charley's exclusive item, available only from Charley's Greenhouse.
$69.95
The Bayliss Triple Spring solar vent opener is the best choice for top hinged wall vents. It is also recommended for roof ven...

3505 Bayliss MK7 Orchid Vent Opener
This is a Charley's exclusive item, available only from Charley's Greenhouse.
$79.95
This Bayliss orchid solar vent opener control operates at a higher temperature than other similar openers, allowing the green...

3509 Bayliss MK7 Hydraulicheck Vent Opener
$116.00
The Bayliss Hydraulicheck solar vent opener is the best choice for large roof vents and side-hinged wall vents. A built-in hy...

3540W Bayliss MK7 Super Vent Opener
This is a Charley's exclusive item, available only from Charley's Greenhouse.
$198.00
This larger, heavy-duty Bayliss Super solar vent opener is suitable for operating heavy, double-glazed greenhouse vents. It c...

3535 Manual Vent Control
This is a Charley's exclusive item, available only from Charley's Greenhouse.
$59.95
Lift heavy vents or skylights with this precision-built vent control. Smooth running gears lift and hold vent at any opening ...

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Home / Shop Accessories / Ventilation / Vent Openers