Lysander works blenheim road airfield industrial estate ashbourne derbyshire de6 1ha united kingdom.
Bayliss solar powered vent opener.
A threaded adjuster bolt can set the bayliss to start opening the vent at approximately 55 degrees fahrenheit.
Opening temperature is adjustable ranges shown below.
Automatic greenhouse vent openers by bayliss autovents are widely thought to be the best on the market suitable for both wooden and aluminum greenhouses.
Opening and closing our greenhouse roof vents consistently as the temperature changes.
Upgrades are available with the orchid wax for hot house environments and the hydraulicheck opener for high wind areas up to 90 mph gusts.
The bayliss mk7 autovent is supplied in a satin anodised finish with all the fixings and instructions.
Bayliss autovents have been producing automatic greenhouse vent openers in england since 1964 and have a reputation for quality and reliability.
The standard bayliss opener has an adjustable operating temperature between 55 75f 13 18c.
This automatic greenhouse vent opener is well engineered made from quality materials and actually works.
Adequate ventilation is an important aspect of greenhouse growing and this solar powered automatic greenhouse vent opener ensures accurate continuous venting all day and night.
The autovent uses energy from the sun and surrounding air the hotter the temperature the wider the vent will open.
Lysander works blenheim road airfield industrial estate ashbourne derbyshire de6 1ha united kingdom.
Bayliss solar powered vent opener the standard bayliss opener has an adjustable operating temperature between 55 75f 13 18c.
Our bayliss standard triple spring solar powered roof vent opener is designed for either aluminum or timber framed hinged vents measuring up to approximately 2 ft square 60cm square and can be used in most greenhouses.
Bayliss solar powered vent opener heat activated wax expands and contracts depending on your internal greenhouse temperature description.
In combination with some shading membrane it has enabled us to control the temperature in the greenhouse even when away from home.
Maximum opening of 12 is reached at approximately 20 to 30 f above opening temperature.
As the air in the greenhouse heats up it also heats the powertube in the vent opener.
This is a pack of two bayliss mk 7 autovents.
These bayliss mk7 openers have three heavy duty springs which gives the opener superior closing power making it ideal for side wall vents and roof vents in windy areas.
This vent opener uses a very simple principal special waxes have an expansion rate of about 18 when heated by the sun.