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  • 1 3 HP vs 1 4 HP Condenser Fan Motors (2025) - HVAC Laboratory
    Both motors work well in most residential systems—but 1 3 HP gives you more airflow and performance at a higher cost, while 1 4 HP gives you savings with slightly less power Let me know if you’d like a printable cheat sheet or help picking the best motor for your unit!
  • Using 1 3 hp instead of 1 4 hp any problem? - HVAC-Talk
    On a Bard wall mount heat pump, unit has a bad condenser fan motor The existing motor is 1 4 hp Is there a problem with replacing it with a 1 3 hp?
  • Fractional Horsepower Motors Explained - Groschopp
    HP ranges for Groschopp’s standard AC, DC, Brushless DC, and Universal motors: AC – 1 20 – 1 hp DC – 1 100 – ½ hp Brushless – 1 35 – ½ hp Universal – ¼ – 2 ½ hp As this list indicates, however, to classify Groschopp as strictly a “fractional horsepower” manufacturer would be a misnomer
  • 1 4hp motor instead of a 1 3hp motor? : r hvacadvice - Reddit
    fan called for on side of unit- 1 3 hp 208 230V 1 2FLA 7 5Cap 1120 RPM Current fan- 1 4hp 208 230hp 5Cap 820 RPM The internal thermal overloads are causing the new motor to shut off Pretty soon, it wont come back on at all Motor HP sizing is VERY specific to the size and pitch of the fan blade, and the fan curve it was designed to operate with
  • Educate me on condenser motor hp - DIY Home Improvement Forum
    A 1 4 HP PSC motor will drive a fan slightly faster than a 1 5 HP one a 1 6 HP one will drive it slower, and likely be overloaded A 1 HP PSC motor will turn a 1 5 HP fan quite a bit faster than a 1 5 HP motor
  • 1 3 hp. replaced by 1 4 hp compressor? - Pond Boss Forum
    The 1 4 hp unit that you refer to has the same output specs and almost the same compressor dimensions as the 1 3 hp 0523 series unit which is still available The 1 4 hp motor of the 0523 series unit is designed to run 220 or 110 depending on how wiring is set up
  • Condenser fan motor - tech replaced with wrong size?
    Many universal replacement motors are multi- horsepower: 1 6 - 1 4 -1 3 Sometimes, just using a larger capacitor is all they require to get the higher h p rating If it was a 1 2 h p , then it might be a concern





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