Sta-Rite Motors

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When changing Sta-Rite motors, it is often a good idea to replace the rest of the interior parts that have been under wear and tear.

Inyo's Go-Kits Include: Shaft Seal, Housing Gasket, Diffuser Gasket, Lid O-ring and Lubricant

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To determine if you have a Full Rate or an Up Rate Sta-Rite motor you will first need to find the motor's service factor (S.F). This number along with the motor's horsepower, can be found by searching the motor's label. Once the service factor is located, use the chart below to determine the rate of your sta-rite motors.

Full Rated Sta-rite Motors	Up Rated Sta-Rite Motors
1/3 HP Typical Service Factor = 2.0 1/2 HP Typical Service Factor = 1.95 3/4 HP Typical Service Factor = 1.65 1 HP Typical Service Factor = 1.65 1.5 HP Typical Service Factor = 1.50 2 HP Typical Service Factor = 1.30	1/2 HP Typical Service Factor = 1.30 3/4 HP Typical Service Factor = 1.25 1 HP Typical Service Factor = 1.25 1.5 HP Typical Service Factor = 1.10 2 HP Typical Service Factor = 1.10 2.5 HP Typical Service Factor = 1.04

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