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Frequently Asked Questions View all FAQs
How do you order the correct replacement parts?

Before ordering replacement parts, make sure you have the fan model and serial number.

Where can I find instructions to wire a motor on my fan?

The nameplate of the motor includes a wiring diagram. Wiring diagrams can also be found beneath the motor image in our Buy Parts section. Simply click the wiring diagram icon to view it.

Can I install a thermostat?

Yes, but only if the thermostat has a simple on/off operation. Please note: if the thermostat varies the amount of voltage delivered, it will damage the motor and void the warranty.

Can I install my whole house fan vertically?

Comfort Cooler (CC) series whole-house fans may be mounted vertically, however, the AS and CSS shutters will not function properly in the vertical position. We do not carry a ceiling shutter for vertical installation. Vertical installation instructions.

Quality Products

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VID Exhaust Fans

SINCE 1948.

VID Exhaust Fans

Triangle’s “VID” Series Direct Drive Industrial Exhaust Fans are designed with maximum airflow in mind. Each of our “VID” Series Industrial Exhaust direct-drive fans come standard with a polyester powder coated venturi, and heavy-gauge galvanized Housing for corrosion resistance. The “VID” Series Industrial Exhaust direct drive exhaust fans are perfect when little maintenance is ideal and they are well suited for factories, gymnasiums, and warehouses.


  • Direct drive
  • Polyester powder coated venturi
  • Rugged heavy galvanized gauge housing
  • Totally enclosed motor standard
  • Single-phase fans include a cord and molded plug

See full specifications for sizing and performance data

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