Response to Hi Brett, This is not the correct replacement for the SP3021 Impeller click here to view or purchase the SP3021 Impeller A few items of note.. we show that the UST1202 is not the correct motor for the SP3021 Impeller, the SP3021 impeller should be paired with the ST1202 2 HP Full Rate Motor. The correct impeller for the UST1202 is this SPX3016C Impeller

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