Bayliss MK7 Triple spring Auto-vent


£33.06 with Black Friday offer
The discount will automatically be applied to your basket

 Greenhouse auto-vent suitable for opening top hung aluminium or timber framed side vents measuring up to 3ft x 2ft (900m x 600m). 

The extra springs on this auto-vent give a closing force of approx 1.8kg (4lbs) and can be set to start opening at approx 55F (12º).

Can also be fitted to roof vents in exposed positions to increase resistance to wind flutter.

There may be some drilling required to fit these to certain models

Q. Will this opener fit my greenhouse windows. No, what i really mean is are greenhouse windows a standard size?

A. Most greenhouse roof-vents are around 2' x 2'. The Bayliss XL Vent is recommended for any building that in in an exposed area.


Q. Hi im about to purchase g/house. what is the best base/foundation. ie flags or concrete

A. Paving slabs are generally a better option than concrete as the joints between the slabs allow excess water to drain away.


Q. Is this auto vent suitable for a timber framed window.

A. Yes, the Bayliss XL Opener is suitable for a timber window frame up to 7.5kilograms.


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Next day delivery if ordered online before 2pm - (2-3 days if ordered via phone)

Delivery of this item to Mainland England, Scotland and Wales is £3, offshore may be subject to a higher charge. Delivery costs will be calculated and displayed at checkout before any payment is required

As standard this item is delivered the next working day provided we receive full payment before 2pm. Orders received after 2pm on Friday will not be dispatched until Monday.

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.

About The Greenhouse People

Did you know...

The Greenhouse People offer a 30-day returns policy. You are welcome to return any item, no quibbles, no arguments.

Don't want to enter your card details via the web?

The Greenhouse People offer a unique optional service that allows you to place an order to the value of £300 or more and we will call you back to take payment.

 £49.99   Now £38.90 Ends: 24th November 2017
Product id: 5494
Get it by Tuesday, Nov 21 if you order online in the next 12 hours and 2 minutes

More than 10 in stock

£38.90

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