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Apr 16, 2026 - 10:26 AM
Yes, this retrofit board is compatible with the HP21404T heat pump model. Compatibility with specific models means you can trust the fit and function for reliable operation.
Is this control kit compatible with HP21404T? Hayward Retrofit Board-Control Kit for Summit, HPX51100122201
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Open Apr 16, 2026 - 10:26 AM
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Hayward Retrofit Board-Control Kit for Summit, HPX51100122201
" Hayward HPX51100122201 Retrofit Board-Control Kit for Summit Features Replaces SMX306000016 Electronic Control Board For use with HP21404T, HP21004T, HP21124T and HP21254T "
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