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Additional Resources

Downloads, FAQs, and more.

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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CMB4213

QUALITYPARTS.
SINCE 1948.

CMB4213 Parts

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CMB4213

Parts and accessories are non-refundable

  • 2 3/4" x 1/2" Motor Pulley

    2 3/4″ x 1/2″ Motor Pulley

    Replacement Motor Pulley for DBD Series/QB2 Ser...

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    $21.00
  • 42" Blade

    42″ Blade

    Replacement blade for SPL4213/SPL4223/TPC4213T/...

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    $179.00
  • Bearings (Set of Two) 3/4"

    Bearings (Set of Two) 3/4″

    Lifetime Sealed Bearing with Rubber Boot ...

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    $57.00
  • Fan Pulley

    Fan Pulley

    Replacement V Belt Pulley for SPL3613/SPL3623/S...

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    $35.00
  • Motor Nuts & Bolts

    Motor Nuts & Bolts

    Replacement nuts and bolts. -Set of 4...

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    $8.00
  • Motor Tension Spring

    Motor Tension Spring

    Replacement tension spring for motor. Th...

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    $10.00
  • Power Cord

    Power Cord

    14 ft Heavy Duty 115V Grounded Power Cord with ...

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    $31.00
  • Strain Relief Bushing

    Strain Relief Bushing

    Small Strain Relief Bushing -For Fans und...

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    $8.00
  • V Belt

    V Belt

    Standard V Belt #4L440 Parts are non-ret...

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    $17.00