Broan-NuTone 356BK 1600 CFM Powered Attic and Garage Ventilation Fan, Roof Mounted, Black Dome & Ventamatic XXDUOSTAT Adjustable Dual Thermostat/Humidistat Control for Power Attic Ventilators

• Product 1: IDEAL COOLING SOLUTION: Prevent heat and moisture build-up for a cooler, drier attic which can extend the life of your roof and air conditioner, while lowering air conditioning expense Product 1: ROOF MOUNT INSTALLATION: Requires cutting a 14.375" diameter roof opening and wiring. included metal flashing allows for nailing and hot tar application Product 1: HIGH QUALITY, EFFICIENT OPERATION: Operates on 1600 CFM that can remove super-heated attic air in spaces up to 2285 sq. ft. or ventilate up to a four car garage, either attached or detached from the home. 14" dia. steel blade for maximum airflow Product 1: DURABLE DESIGN: Rugged galvanized steel housing and PVC dome provides ultraviolet protection and includes mesh bird screen to keep out insects, birds, and animals without impeding airflow Product 2: THERMOSTAT/HUMIDISTAT CONTROL: The Dual Thermostat and Humidistat is designed for use with Power Attic Ventilators. The dual controls allow for a user to limit the operation of the fan based on user selected temperature and humidity levels. Product 2: ADJUSTABLE DUOSTAT: This item is often called a Duostat and is an essential tool for homeowners to regulate the temperature and humidity levels while preventing their power attic ventilator from running in continuous operation mode Product 2: ENERGY EFFICIENT POWER ATTIC VENTILATOR: It provides energy-efficient operation of power attic ventilators and the temperature ranges from 50°F to 120°F. Product 2: DUAL HUMIDITY CONTROL: Adjustable Thermostat and Humidistat Control has 10 Amps, 120 Volts AC. Thermostat setting adjusts from 60 - 120 degrees F (normal settings are 85 - 110 degrees F). Humidistat setting adjusts from 30 - 90% (normal settings are 60 - 70% depending on local humidity levels). If either setting is too low, fan will run continuously. If setting is too high, ventilation will be inadequate. It has limited lifetime warranty.