- Parallel Plus vents can be restricted to 40mm openings and still provide whole perimeter ventilation and effective air exchange. (Tested and proven at the BRE)
- Vents weighing up to 200# kg can be manually operated. However, it is possible to create much larger motorised vents and recommend you contact the technical department for advice regarding project specific hardware specifications.
- Small opening gap ensures greater security for occupants
- Sash adjustment feature to correct parallelism on tall heavy vents
- A reliable working life tested to 20,000 cycles
- Full technical and sales support available
- Manufactured from austenitic* stainless steel for high corrosion resistance
- 12 Year Guarantee (details available upon request)