Sertus Roof Louvre Blade Smoke Vent - 96.150 RLB-R 78cm x 60cm Its opening angle is approx

Its opening angle is approx

The HAVA 180H is a mechanical ventilation and heat recovery unit delivering balanced supply and extract ventilation for dwelling applications

2 programmable sounder circuits

relay output cards and EN54-13 sounder circuit interface boards

Sertus Roof Louvre Blade Smoke Vent - 96.150 RLB-R 78cm x 60cm Its opening angle is approxRoof Louvre Blade Residential (RLB R) louvre smoke vent and air supply units are used in natural smoke and heat exhaust ventilation systems. Mounted on roofs, louvre smoke vents exhaust smoke and heat from a building, allowing low level escape routes to be kept clear of smoke. RLB R are fully certified to BS EN 12101 2. They are particularly suited to residential and institutional buildings and may also provide natural comfort ventilation. They are