I can't identify my Hayward Super II pump model number. It has a century 2hp motor on it. What size impeller do i use?
Impeller size for Hayward Super II pump
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- Last Post 06 April 2022
- Topic Is Solved
InyoRob
posted this
22 March 2022
There are a couple of 2HP motor options and the impeller is different for both. What is the catalog or part number on the motor label?
matt32
posted this
22 March 2022
Thanks. I got the motor from INYO. Century 2.0 HP Round Flange 56J Up Rate Motor - UST1202
InyoRob
posted this
22 March 2022
Assuming your Super II pump was manufactured after 1990, the impeller would be part number 5110-10L.
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matt32
posted this
05 April 2022
- Last edited 05 April 2022
Would this impeller 3016-c pair with diffuser SP3021-B on a new V-green 2.6HP motor?
davidson02
posted this
06 April 2022
I also wonder if they are compatible with diffuser SP3021-B.
InyoRich
posted this
06 April 2022
We recommend matching the impeller and diffuser with the pump and the motor for the best efficiency. The SP3021-B diffuser should be used with 1-1/2 to 3 HP Full Rated Super II pumps made after 1990 or 2 to 3HP Uprated Super II pumps made after 1990. Just be sure to get an impeller (like the 5110-10L) that is at or a little under the maximum horsepower of the motor. The V-Green 2.7 HP Round Flange 56J Variable Speed Motor - ECM27CU would work very well with it.
See our article on Are All Motors Created Equal? for an explanation of full- and uprated motors.
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