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Century UST1152 Replacement

The Century UST1152 is a 1.5 HP up-rate pool pump motor (3450 RPM, 115/230V, 56J C-face). Below: the specs we verify before quoting, and what to check on your nameplate.

Verified specifications

Horsepower1.5 HP up-rated (SF 1.0)
Speed3450 RPM
Voltage115/230V, single-phase, 60 Hz
Frame56J, C-face
EnclosureODP
Full-load amps18.6/9.3A
StartingCapacitor start
RotationCCW pump end
Shaft5/8" 303 stainless steel threaded (7/16"-20 UNF-2A)
FlangeAluminum
BearingsBall
Thermal protectionAutomatic
InsulationClass B
Ambient50°C
ComplianceCSA/UL
FitsHayward Super Pump / Super II / Max-Flo, Jacuzzi Magnum
DutyUp-rate 56J pool pump motor

California / New York: single-speed motors are not Title 20/21 compliant there — see our VGreen Evo variable-speed family.

Confirming the right replacement

Before we quote, compare these fields on your failed motor's nameplate. If any of them differ, send us a photo of the nameplate and we'll match it exactly rather than guessing:

Other Century models

Documented equivalent replacements

The motors below are published as replacements for this model in the cross-reference tables cited. We confirm the match against your nameplate before quoting:

Documented equivalentCross-reference source
US Motors AST165Nidec US Motors Replacement Cross Reference (manufacturer)
Century B128 / B229SENidec US Motors Replacement Cross Reference (manufacturer)
A.O. Smith HST150Nidec US Motors Replacement Cross Reference (manufacturer)

Cross references via Nidec US Motors' published Replacement Motor Cross Reference (pool/spa), manufacturer-published. Crossed motors are documented replacements — match THP, frame, and flange to your nameplate before ordering.

Need a Century UST1152?

Send the nameplate off your failed unit. We'll confirm the match and quote the UST1152 or a verified equivalent with availability and lead time.

Quote this motor