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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.

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1/2 HP 2 Speed Motor (A.O. Smith)

QUALITYPARTS.
SINCE 1948.

1/2 HP 2 Speed Motor (A.O. Smith)

1/2 HP 2 Speed Motor (A.O. Smith)

Product ID : PMTR-QB24223_AOS

$264.00

SKU: PMTR-QB24223_AOS Categories: , , , , ,
Parts and accessories are non-refundable

Description

Replacement Motor for QB2 3623/QB2 4223
WARNING: Rotation is counter clockwise when viewed from pulley end. This motor is NOT Reversible. This is not a replacement motor for Big Air Fans, Ventamatic Fans, MaxxAir Fans or Air Vent Vans.
-1/2 Horsepower
-2 Speed
-115 Volt
-1 Phase
-60 HZ
-56 Z
-1/2″ Diameter x 1 1/2″ Long Shaft
-1725/1140 RPM

NOTE: To reconnect motor to terminal: Power Cord black lead #1, Power Cord white lead #2, Power Cord green lead #3, Switch Cord black lead #4, Switch Cord white lead #5 Switch Cord green lead #6 Note: Switch Cord black lead must connect to center spade of switch.

Parts are non-returnable.

Replacement for Fan Model Number(s):
QB2 4223 QB2 3623

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