Bayliss MK7 Triple Spring Autovent

From: Greenhouse Fans, Louvres, Vent Openers and Shading : Vent Openers

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Bayliss MK7 Triple Spring Autovent

Available from Harrod Horticultural click for more info, price & to buy

The MK7 Triple Spring Autovent uses the same mechanism as the MK7 but with two additional springs giving extra closing force. Ideal for top hinged side windows, light roof vents (like uPVC windows) or roof vents in very windy areas.

  • Available in Silver and White
  • Opens approximately 30cm
  • Supplier offers 2 year guarantee on all replacement cylinders but they should last approximately 6-10 years
  • Automatic openers work by wax within their cylinder expanding when it's hot, pushing a piston to open the window and contracting in cooler temperatures to close the window again

Available from Harrod Horticultural click for more info, price & to buy

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