Response to K48M2N110 is A.O.Smith Round Flange 1 1/2 HP Full Rate Motor (C1101,ST1152)Upgrading to the 2HP you would have to change the diffuser and impeller depending on whether you have a full or uprated model here again... is the info ..i have SF 1.33 A.O SMITH. KW 1.1 TYPE UAK CODE L,AMPS 19.4/9.7 1 1/2 HP RPM 3450..NOW i need to know if is full rate or up rate like your question before.and let me know what motor i have to buy..also if i can upgrade to 2 hp.thanks

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