What is Service Factor?
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Service Factor(SF) is a multiplier that when multiplied by the horsepower of the motor indicates the total permissible horsepower loading that may be carried when the motor is operating at rated voltage and frequency. The most important thing to remember when replacing a motor is that the replacement motor's horsepower times its service factor must be equal to or greater than the original motor's horsepower times its service factor. The Service Factor rating can be found on the motor label. See Step 4 of our How to Read a Pool Motor Label guide.
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I have a Marquis Spa model 18B3810-C S/N 3040707 240V/60Hz/40A max (or model/SN JM-HI-Y-043166B) and the motor and pump have both failed. I attempted to rebuild the pump but the motor thru bolts were seized and damaged the motor and pump housing in the process of tearing it down. I am in need of a new motor and pump. Can you tell me which options would work for me?
The pump is a Hayward SP1520X15UN2H3 S/N 630C23. The motor is a Hayward PowerFlo LX Dual Speed SP1515-Z2-EBK3 S/N 8A93.
Thanks!
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Hi, Brett. You can use the AquaFlo FMHP Pump - 02115000-1010 or Waterway Hi-Flo Pump - 342061010 as a replacement.
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Hi-
I have a century 1.5hp dual speed motor. Is this a good replacement for it? What is the century model that will work?
Thanks!
Hi Les, You would actually need this SQS1102R Dual Speed Replacement Motor Please note that the SQS1102R is a 1 HP Full Rate Motor which has the same True HP as your 1.5 HP Up Rate Motor. Here is how the math plays out 1.5 Up Rate HP x 1.1 Service Factor = 1.65 True HP and 1 Full Rate HP x 1.65 Service Factor = 1.65 True HP
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can this replace a powerflow 1.5hp motor single speed to convert to dual speed
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Hello Justin. The Hayward 1.5 HP Dual Speed Motor with switch model SPX1515Z2ES is a compatible dual-speed motor for the Hayward PowerFlo Pool Pump. It is recommended that the motor shaft seal, seal plate gasket, and diffuser o-ring be replaced at the same time. The GOKIT 74 contains the parts necessary to complete this project. Tune Up Kit Hayward PowerFlo Matrix Pump - GOKIT74
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I just want to confirm that this SPX1515Z2ES motor will replace the one that I have which is a SP1514Z2S4EC and connects to a Hayward SP15932SFP PowerFlo MatriX pump assembly? See accompanying photo of motor to be replaced.
Hello Chip. The Hayward 1.5 HP Dual Speed Motor w/ Switch - SPX1515Z2ES (part 193347) is a compatible replacement for the Century Motors model SP1514Z2S4EC (part number 193347) installed on the Hayward Power-Fo Matrix Pump. The Tune Up Kit Hayward PowerFlo Matrix Pump - GOKIT74 contains the seals and gaskets necessary to complete the new motor installation.
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