Response to We have a Legacy Whirlpool Spa. We are trying to determine if this is the right replacement motor. Our specs are as follows: AO Smith Motor; Serial Number #PF-1108040399; Model Number #PF-2MCF; Part No. #3421021-0a8qmr; 230 Volt, 3450/725 RPM; 9 - 2.8 Amp; This is a Executive 48 by Waterway. Can the plug on the end of the pump be removed to install a insert fitting for a vacuum hose?

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