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Bayliss MK 7 Hydraulicheck Vent Opener

Product Code : VEMK7H Barcode : 5055750050688

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An extremely reliable automatic vent opener the Bayliss Hydraulicheck has a small hydraulic damper which causes the vent to open slowly but to close very quickly making the opener suitable for use on greenhouse roof vents in exposed areas. The unique damper will prevent the vent from being wrenched open in high winds and subsequently damaged.

£76.89inc. vat

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Product Description

For roof or side windows in severely exposed positions weighing up to 14lbs, approx. 76cm x 76cm.

Bolts on to aluminium greenhouses (fixings supplied) - for wooden greenhouses it is attached by wood screws (not supplied).

Fitting neatly close to the glass the opener does not protrude into the greenhouse (so you don't bang your head!).

Satin anodised aluminium unit approx. 29cm long which exerts a load of 6kg i.e. it will lift a vent weighing up to 12kg.

Can be set to start opening the vent at any temperature between 12-25º Centigrade/55-75º Fahrenheit, giving a maximum window opening of 30cm.

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.