Ventilation building regulations have recently changed in England and Wales. Although this vent supports compliance, we would urge you to read our handy guide before you purchase which summarises the new requirements. 

This RW Simon TTF Slimline is a robust yet stylish aluminium through frame trickle ventilator. With its built-in updraught and various operating modes, this vent is suitable for all types of windows. Available in a choice of standard colours, this unit can also be custom coloured to meet most bespoke requirements. This TTF Slimline 400 model delivers a fully tested controllable airflow performance of 4069mm² Equivalent Area. Other models also available: 300mm (2792mm² EA) and 600mm (5235mm² EA)

Features:

• Slimline aluminium frame mounted ventilator
• Supports compliance with Approved Document F 2021
• Easy installation & can be retro fitted
• Semi-permanent trickle operation available
• Marine Grade 60-80 microns as standard
• Cord and rod control options available
• Choice of single and dual colour options available

Performance:

• Acoustic performance -31dB Open / 38dB Closed
• Airflow performance: 4069mm² Equivalent Area - independently tested in accordance with BS 13141-1:2019
• Water tightness of 400pa
• Independently acoustically tested in accordance with BS EN 20140-10:1992, ISO 140-10:1991
• Weather performance tested in accordance with BS EN 1026:2016 & BS EN 1027: 2016

Dimensions:

• Internal vent size: 400mm (L) x 25mm (H) x 17mm (D)
• External vent size: 400mm (L) x 14mm (H) x 16mm (D)
• Slot size: 365 x 13mm