Commonwealth General Purpose Rotary Fans

Commonwealth rotary fans are great general purpose fans. Sample uses include building your own whole house or attic fans, ventilation of electronics cabinets, crawl space ventilation, etc.  Typically controlled via a 2 speed switch (not included) or an on/off switch if only 1 speed is required.

  • 10 inches diameter fan
  • 2 speeds
  • Ball bearing motor
  • 550 CFM at high speed
  • 120 VAC, 35 watts at high speed
  • Includes wire leads
model description usually ships 1-4 units 5+ units QTY
FP-108HH-S1-B Commonwealth rotary fan. 10 inches diameter. 2 speed. 550 CFM at high speed. 120 VAC. 35 watts at high speed. Includes wire leads. 1 Day. In-stock $75.00 $64.00
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2 speed fan wiring with 3 fan wires (black, yellow and blue):

Low speed connections:
120 VAC NEUTRAL: black fan wire
120 VAC HOT: yellow fan wire

High speed connections:
120 VAC NEUTRAL: black fan wire
120 VAC HOT: blue fan wire

Do you have questions about the products on this page?

Click on the ? image on the left or this link to ask us your questions!
#1 Q:   I bought these as a replacement for the commonwealth fp-108hh s1-b. How do you wire these up?
A:   3 WIRE FAN: LOW SPEED: 120VAC NEUTRAL to black fan wire, 120VAC HOT to yellow fan wire. HIGH SPEED: 120VAC NEUTRAL to black fan wire, 120VAC HOT to blue fan wire.

       Asked on 2019-05-17 by Nick

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