Manufacturers of Controls, Accessories and Equipment
for the Amateur and Professional Grower since 1982

Vent Opening

Automatic ventilation give stable temperatures. You need a quarter of the floor area in opening vents.

Wax operated Vent Openers, the hotter it gets the wider they open. Adjustable to start opening anywhere between 12° - 25°C.

Lifts 22lbs. 10kg. A simple yet rugged, inexpensive Vent Opener. Easy to install. Clamps onto aluminium greenhouses. Screws onto timber.

Quantity

@ £19.95

MK7 Triple Spring

For heavier roof vents or top hinged side opening windows where the springs exert a closing force which other units do not do. Ideal in a greenhouse in an exposed windy position where the springs help prevent the vents from flapping. Lifts up to 26lbs 12kg. Anodised Aluminium. Will lift a 36" x 24" aluminium vent.

Quantity

@ £36.95

MK7 High Temperature

For use in Orchid and Tropical houses. Setable to start opening between 25 and 35°C. Stops the problem of vents being open and the heater still being on.

Quantity

@ £42.00

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Our Products:

Manufacturers of Controls, Accessories and Equipment
for the Amateur and Professional Grower since 1982

Vent Opening

Shopping Basket:

Our Products:

Manufacturers of Controls, Accessories and Equipmentfor the Amateur and Professional Grower since 1982

Vent Opening

Manufacturers of Controls, Accessories and Equipment
for the Amateur and Professional Grower since 1982