Crh Pressure Relief Valve 300x300-200mm Wall With 2 Vermin S

The CRH-1000-200 is a heated, mechanically operated valve with 2 sealing flaps allowing airflow in either direction. The heating element is a 49W/m self regulating heater cable 240v with 0.230 AMP draw. With a 3-core neutral, active & earth facility. Supplied with 2 Vermin Screens and fixing screws. Material: Polycarbonate Flange Size: 300mm x 300mm Cutout Size: 220mm x 220mm Panel Thickness: 200mm Additional Information: Please note: Heaters for Pressure Relief Valves and or Door Frames must not be activated (switched on) before the room is brought down to operating temperature. Technical Resources: CRH-1000 Airflow Chart 1 Valve.jpg CRH-1000 Airflow Chart 2 Valves.jpg CRH-1000 Pressure Relief Valve Installation Instructions