BM418W stadium core vent brown outer cowl and white internal grille 5" 71K, complete with anti draught baffle
This anti draught air vent is used for Domestic heating boilers and decorative fuel effect fires - Vario 100
100cm2 squared (removing baffle) adjustable to 70 cm2 squared effective free area (using supplied baffle) for maximum of 21kW input (72,000 Btu/h)
• Anti Draft baffle supplied which reduced the 'Effective Free Area'.
• Takes extension tube BM810 to extend a further 1 metre.
• 127mm (5") diameter
Rated Input Max 21kW (71,500 Btu/h) With Baffle
Length: 350mm (14")
Tested and complies with BS5440 Part 2, 2000
TO ENSURE THE VENTILATOR PROVIDES THE CORRECT AMOUNT OF AIR WHEN AN APPLIANCE IS OPERATING IT IS IMPORTANT THAT A SPILLAGE TEST IS CARRIED OUT AS REQUIRED BY THE BRITISH STANDARD AND GAS SAFE GOOD PRACTICE.