Description
‘The Original Black Hole Ventilator’ BM720 comprising;
- Double rustic red louvred airbrick, cavity liner with cavity drip and anti-draught baffles extension piece and white inner grille.
- Invertible for high or low fitting.
- Expands to fit solid or cavity walls 290 mm to 390 mm
- Rated Input – Max 21kW (71,500 Btu/h)
- Free area cm2: 70cm2
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.
Additional information
| Weight | 1.41 kg |
|---|---|
| Brand | |
| Manufacturer Number | |
| UPCEAN Number | |
| Product Type | Anti Draft Vent, Black Hole Vent |



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