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(Including VAT)
£ 37.00
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Delivery Information
Delivery of this item to Mainland England and Wales is £4.95, parts of Scotland and Northern Ireland may be subject to a higher charge. Delivery costs will be calculated and displayed at checkout before any payment is required.
Please note if any other items in your basket are quoted with a longer delivery time, then your items will not be dispatched next day, but within the time period quoted for item with the longest delivery.
There is only one charge for delivery per order.
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This mechanical device is designed to automatically open and close a louvre vent, in response to temperature.
A wax-like substance, contained in the cylinder, expands with heat, operating a piston which opens the louvre via a linkage arm. As the temperature falls, the process reverses, and a spring closes the louvre. There is also an adjustment knob, which enables the opening temperature to be altered to between 15 and 25 degrees centigrade.
Some simple drilling is required to fit the opener to the side of the louvre vent.
Hand made by us in our Staffordshire workshop, trade enquiries welcome from all around the world
This product does NOT fit the Hercules OCTAGONAL range of buildings
Q. Can these auto vents be used with a double opening window, should I buy 2 of them?
A. A double sized (1200mm + wide) single vent would require 2 of these Auto-vents. I would recommend the stronger BAYLISS XL auto-vent openers for a large vent like this for extra reliablity during windy conditions.
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18 reviews of
Thermofor Auto louvre opener
Average rating:
(4.8)
06/04/2024
by Alan Bedford
Excellent replacement for a seized old version. Fitted perfectly & works well. Far cheaper than the Halls equivalent.
21/06/2023
by Richard Thompson
it was so easy to get the correct part for my greenhouse from this company.
02/06/2023
by Katie Nicol
Window Louvre works well and is fairly easy to install. Delivery was a bit longer than I would have liked but perhaps we are all too accustomed to Amazon’s next day service.
20/02/2023
by Margaret Baum
Excellent customer service and follow up advice. Very pleased with the product.
03/07/2019
by Stephen Roxbee
Great little product that works as described. It needs a bit of drilling to get the opener in the correct position on the louvre frame but not difficult. It works perfectly and did i need both openers last weekend after 34'C. Buy as you will not be disappointed.
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Auto Louvre Dimensions - Click here to view To download the file, right click and select 'Save Target As'. |
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Thermoforce Autolouvre - Click here to view To download the file, right click and select 'Save Target As'. |
Delivery of this item to Mainland England and Wales is £4.95, parts of Scotland and Northern Ireland may be subject to a higher charge. Delivery costs will be calculated and displayed at checkout before any payment is required.
Please note if any other items in your basket are quoted with a longer delivery time, then your items will not be dispatched next day, but within the time period quoted for item with the longest delivery.
There is only one charge for delivery per order.
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