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Auto Vent Openers

We offer the best selection of quality made solar vent openers in the USA. All window openers open and close automatically based on air temperature and offer adjustable temperature settings. These are great solutions for automating side and roof vent windows on greenhouse kits and cold frames. Want more information about how they work and/or which vent opener is best for your application? Visit our Adding Automatic Vent Openers to your Greenhouse article. Dealer inquiries are welcome.

Products 1-11 of 11

Bayliss MK7 Triple Spring Auto Vent Opener bayliss, opener, vent, auto, window, automatic, solar, mk7, roof, side, louver, greenhouse, air, orchid, wax, autovent, bayless, baylis, bayles

Bayliss MK7 Triple Spring Auto Vent Opener

Price: $65 - $70

(24)

Bayliss MK7 Hydraulicheck Auto Vent Opener bayliss, hydraulicheck, opener, vent, auto, window, automatic, solar, mk7, roof, side, louver, greenhouse, air, orchid, wax, autovent

Bayliss MK7 Hydraulicheck Auto Vent Opener

Price: $87.95

(2)

Univent Automatic Vent Opener vent, opener, univent, automatic, solar, window, greenhouse, roof, auto, cold, frame, wax, ventomax

Univent Automatic Vent Opener

Price: $39.95

(22)

Gigavent Auto Vent Opener vent, window, opener, roof, automatic, solar, auto, greenhouse, cold, frame, gigavent, wax

Gigavent Auto Vent Opener

Price: $125.00

(4)

Grow More Univent Automatic Vent Opener grow, more, greenhouse, kits, vent, opener, univent, automatic, solar, window, harvest

Grow More Univent Automatic Vent Opener

Price: $41.95

(4)

Bayliss MK7 Replacement Power Tube bayliss, mk7, power, tube, cylinder, replacement, spare, piston, vent, opener, rod, part, bayless, baylis, bayles

Bayliss MK7 Replacement Power Tube

Price: $27 - $30

(25)

Gigavent Replacement Power Tube gigavent, power, tube, cylinder, replacement, spare, piston, vent, opener, rod, part

Gigavent Replacement Power Tube

Price: $69.95

(1)

Univent Replacement Power Tube univent, power, tube, cylinder, replacement, spare, piston, vent, opener, rod, part, ventomax

Univent Replacement Power Tube

Price: $19.95

(8)

Univent Opener Replacement Frame vent, opener, univent, automatic, solar, window, greenhouse, roof, auto, cold, frame, wax, ventomax, part, replacement

Univent Opener Replacement Frame

Price: $19.95

Bayliss MK7 Replacement Spacer Set bayliss, mk7, power, part, replacement, spare, spacer, set, vent, opener, rod, temperature, knurled, adjuster

Bayliss MK7 Replacement Spacer Set

Price: $9.95

(2)

Bayliss MK7 Spare Adjustment Knob bayliss, mk7, power, part, replacement, spare, knob, adjustment, vent, opener, rod, temperature, knurled, adjuster

Bayliss MK7 Spare Adjustment Knob

Price: $6.95