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Additional Resources

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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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Rain Hoods

SINCE 1948.

Rain Hoods

Choose a model below to view drawing
24” RH24
30” RH30
36” RH36
42” RH42
48” RH48
54” RH54
60” RH60


  • Compatible with V, RV, VID, VI, RVI and VIK Series Fans
  • Galvanized steel with 1 ¼” mounting flanges
  • 1” x 2” welded galvanized bird screen
  • Field assembly required
  • Mounting hardware not included