Auto Vent Opener Installation UK: How to Fit and Adjust
Matt W · 13th May 2026
Step-by-step guide to fitting an automatic greenhouse vent opener: 5-minute install, brand comparison (Bayliss MK7 vs XL vs Vitavia), temperature adjustment, and the three fitting mistakes that wreck openers in the first season. From installers with Greenhouse Stores experience since 2012.