Century B2979 2 HP two speed 230V round flange threaded shaft pool pump motorCentury Threaded Shaft 2 HP 2 Speed 230V Full Rate Motor B2979 In stock$60599
Century B2979 2 HP two speed 230V round flange threaded shaft pool pump motor
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Century Threaded Shaft 2 HP 2 Speed 230V Full Rate Motor B2979

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$60599
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Quick overview

  • Two speed 3450 rpm on high and 1725 rpm on low, switched at the motor with a low speed microswitch.
  • 2 HP full rate 2.0 HP output on high, service factor 1.2, 230V single phase.
  • Fits common two speed pumps Hayward® Super Pump, Super II SP3000 series, Northstar and Max Flow, Jacuzzi Magnum, and Jandy HHP and HHPU.
  • 56J round flange, threaded shaft 7/16 in. threaded 303 stainless steel shaft.
  • Sealed ball bearings on both the drive and opposite drive ends, drip proof enclosure, thermally protected.
  • Not for California this motor is not California Title 20 compliant and is not for sale in California.
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Product details

The Century B2979 is a two speed, 2 HP full rate replacement motor with a 56J round flange and a threaded shaft. It runs on 230V single phase and drops in on the two speed versions of the Hayward® Super Pump, Super II SP3000 series, Northstar and Max Flow, the Jacuzzi Magnum, and Jandy HHP and HHPU pumps. It crosses to Hayward® motor SP-1620-Z2-MC.

Two speeds

High speed is 3450 rpm and low speed is 1725 rpm. High speed is switchless, and low speed is selected through a microswitch on the motor. Nameplate current is 10.0 A on high and 2.1 A on low at a 1.2 service factor.

Construction

Sealed ball bearings at both ends, a rolled steel frame, drip proof enclosure, class F insulation and thermal protection. The shaft is 7/16 in. threaded 303 stainless steel, 0.625 in. in diameter with a 2.604 in. extension. Overall length is 13.55 in. and the frame is 8.25 in. long. The motor is UL recognized and CSA listed.

California buyers

This motor is not California Title 20 compliant and cannot be sold into California. Century offers V-Green EVO variable speed motors, models EVC130, EVC165, EVC225, EVQ130, EVQ165 and EVQ225, that meet the CEC standard.

From Pool School

Replace the Pool Pump Motor or the Whole Pump?The manufacturers' tests first, what each repair replaces, and the federal motor rule. Read How to Prime a Pool PumpFrom the breaker to a full pot, each manufacturer's time limit, and what to check when it won't catch prime. Read
Specifications
Brand Century
Manufacturer part number B2979
UPC 786674060198
Substitute part number SP-1620-Z2-MC
Horsepower 2.0 HP high speed
Speeds 2
Speed 3450/1725 rpm
Voltage 230 V
Phase 1
Frequency 60 Hz
Current SF 10.0/2.1 A
Service factor 1.2
Frame Y56J
Mounting Round flange
Shaft 7/16 in. threaded, 303 stainless steel, 0.625 in. diameter, 2.604 in. extension
Overall length 13.55 in.
Frame length 8.25 in.
Shipping weight 35 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Which pumps does this motor fit?
Two speed Hayward® Super Pump, Super II SP3000 series, Northstar and Max Flow pumps, the Jacuzzi Magnum, and Jandy HHP and HHPU series. It crosses to Hayward® motor SP-1620-Z2-MC.
Can I ship this to California?
No. The B2979 is not California Title 20 compliant. Century makes V-Green EVO variable speed motors that meet the CEC standard for California pools.
What are the speeds and amps?
3450 rpm on high and 1725 rpm on low. Nameplate current is 10.0 A on high and 2.1 A on low at service factor, 230V.
Is the shaft threaded or keyed?
Threaded. It is a 7/16 in. threaded 303 stainless steel shaft on a 56J round flange, which is what the listed Hayward® and Jacuzzi pumps use.
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