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The Heng's 71112A-C is a universal 12-volt powered roof vent for RVs, with a 6-inch fan blade, a push-button on/off switch and a manual metal crank for the white lid. It fits the standard 14 1/2 x 14 1/2 inch rough opening and uses self-centering guides and positive-seal weather stripping to simplify installation. It is a basic single-speed exhaust fan, so it moves less air than multi-speed reversible rivals such as Maxxair and Fantastic Vent models, and it has no thermostat or remote. It suits owners replacing a broken vent or adding simple ventilation on a budget.
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Owners of this class of Heng's powered vent describe it as a straightforward, reliable exhaust fan that installs into the standard opening without fuss. Complaints center on the single speed, modest airflow and the extra parts needed to finish the job.
This universal RV roof vent has a 12-volt powered fan and a white lid. A push-button switch turns the fan on and off, and a metal manual crank handle operates the vent. A removable screen made of strong, fine mesh lets air flow through and keeps bugs out.
A self-centering device helps align the vent in the roof opening. The corners are radiused, and weather stripping seals the vent to resist leaks. The steel roof flange is very sharp, so use caution when handling it.
The vent runs on 12-volt power only. Connecting it to 110, 115 or 220 volt power, such as household or generator power, will damage the unit. Mounting hardware is not included. You provide the caulk or putty and the screws.
