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Bayliss MK 7 Orchid House Vent Opener

Product Code : VEMK7OR Barcode : 5055750050695

Image of Bayliss MK 7 Orchid House Vent Opener
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This extremely reliable, British made Bayliss MK7 Orchid House Vent has been specially designed for use in greenhouses where a higher temperature is required. Whilst a standard MK7 Vent Opener can be set to start opening between around 13*C (55*F) and 18* C (65*F), the Orchid version can be set to open the window at between 75*F and 90*F.

£51.51inc. vat

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Product Description

Designed for aluminium or timber framed vents measuring up to 60cm square, lifting a load of up to 6kg.

This opener provides a maximum opening distance of 30cm and can be set to start opening at approx. 75*F (24*C).

The opener is operated by a stainless steel cylinder containing a mineral wax which expands with heat; this pushes a piston causing the vent to open. As the temperature falls the wax contracts and a strong stainless steel spring closes the opener.