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The Premium Zone Series is known as the quietest ventilation fan in the market. The PA500VL model with noise level of 0.4 sones, comes with 2 extendable brackets for installation cases which are not against the joist.
Housing
The housing is made of steel, which is painted in black with rust proof paint, and installed with a metal damper to prevent back draft of cold air.
Motor
The motor is lubricated and sealed to eliminate any noise. The thermal fuse installed in the motor shuts off the motor in case of overheat and after cooling down it will run automatically again. There is a capacitor in the motor to ensure safety and motor efficiency for extra energy saving.
Cover
The cover is made of hi-impact poly carbonate in off-white color rated V02 for fire rating.
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