Hayward Northstar Pump - Full Rate 2 HP (DS)

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MODEL#SP4020NS

MANUFACTURERHayward Pool Products

  (4.67 out of 5 Stars on 3 Ratings)
Ask us a question regarding SP4020NS

Description Documents1 How To's10 FAQs10 Parts2 Reviews3
Product Details

WARRANTY1 Year


Product Description

Specs:

  • Voltage = 115/208-230
  • Pipe Size = 2/2.5

Applications:

  • In-ground pools of all types and sizes (including in-floor cleaning systems, solar heating systems, water features)
  • In-ground spas or in-ground pool/spa combinations
  • Fountains
Features:
  • Rugged, one piece strainer housing molded of corrosion-proof PermaGlass XL ™ for extra durability and long life
  • Exclusive balance of quiet operation and superior flow characteristics to meet the demanding needs of in-floor cleaning systems and solar applications
  • Exclusive, high performance NorthStar motor design for quieter, cooler and more energy efficient operation
  • Includes exclusive CPVC union connections which reduces installation time
  • Massive 220 cubic inch basket for ease of maintenance
  • Unions included in 2" socket, 2 1/2" slip
  • High profile motor mounting base
  • Self-priming (suction lift up to 8’ above water level)  
Performance Data:

  NorthStar Performance Data Flow at Total Head
Model No. Full Rated 40 ft. 50 ft. 60 ft. 70 ft. 80 ft. 90 ft.
SP4005NS 63 51 40 20 --- ---
SP4007NS 80 70 56 37 --- ---
SP4010NS 108 95 82 66 43 ---
SP4015NS 131 119 105 88 69 35
SP4020NS 157 142 125 106 84 55
SP4030NS 206 188 171 154 135 112
Motor Performance / Amp Draw - Standard Pump Vs. Energy Efficient:
Model No. HP Voltage Motor Type Amp Draw @ 115V Amp Draw @ 230V Service Factor
SP4005NS 1/2 115/230 Energy Efficient 11.0 5.5 2.78
SP4007NS 3/4 115/230 Energy Efficient 11.0 5.5 1.85
SP4007X10NS 1 115/230 Standard 11.0 5.5 1.40
SP4010NS 1 115/230 Energy Efficient 15.6 7.8 1.85
SP4010X15NS 1 1/2 115/230 Standard 15.6 7.8 1.25
SP4015NS 1 1/2 115/230 Energy Efficient 20.4 10.2 1.60
SP4015X20NS 2 115/230 Standard 20.4 10.2 1.20
SP4020NS 2 230 Energy Efficient -- 11.8 1.35
SP4020X25NS 2 1/2 230 Standard -- 11.8 1.10
SP4025X30NS 3 230 Standard -- 14.5 1.2
SP4030NS 3 230 Standard -- 19.0 1.6
Motor Performance / Amp Draw - Dual Speed Pumps:
Model No. High HP Low HP Voltage Amp Draw @ HI HP Amp Draw @ LO HP Service Factor
SP4010X152NS 1 1/2 1/5 230 8.0 3.2 1.25
SP4015X202NS 2 1/4 230 10.3 3.5 1.20
SP4020X252NS 2 1/2 1/3 230 12.0 4.2 1.10

Miscellaneous Notes
1 Year Warranty

Overall Dimensions

Click here for more Hayward Pool Pumps

HP:
2 HP
Speed:
Single
Volts:
115/208 - 230 V
Pipe Size:
2" / 2.5 in.
Documents

Recommended wire gauge for motors (111.76 KB)

Please feel free to view our complete library of owners manuals.

Product FAQs

2/29/2012

Q:Can I replace my 1.5HP motor with a 1HP?

A:Yes. You can downgrade the motor. You will also have to downgrade the impeller, diffuser and eye seal (if applicable) as well.

2/13/2012

Q:I recently changed my pool motor and gaskets. I made sure to lubricate all the gaskets with vaseline. A few days later water is leaking from the pump. What did I do wrong? Help please!!

A:You never want to use vaseline on any rubber gaskets or o-rings. Vaseline is petroleum based and will deteriorate the rubber quickly. Whenever you change the motor on a pool pump it is recommended that you replace the gaskets and shaft seal as well. A >Go-kit contains the shaft seal, packet of non-petroleum based lubricant and gaskets you will need for your pump. If you already have the gaskets, you can purchase >Magic Lube.

2/13/2012

Q:I need a pump for an outdoor garden system. I don't want to filter the water as I want all nutrients flushed through my planting bed. Can I run a pool pump without a filter so I can achieve this? Thanks.

A:You can use a >pool pump for quite a few different applications as long as there is enough water to "feed" the pump. You will want to pay attention to the flow rate of the pump (gallons per minute). You do not need a filter in order to use it. Please note that while the pump strainer basket will help catch moderate-large sized debris, smaller debris will pass and may lodge itself by the impeller. The type of pool pump you will need will be dependent upon your  application. An above ground pool pump needs to be installed below the water surface and an inground pool pump needs to be installed above the water surface. The warranty may/may not be affected and it's a good idea to contact the manufacturer to find out.

1/30/2012

Q:What parts on my pool pump can I replace before I have to buy a new pump?

A:You can extend the life of your pump 10 or 20 years by replacing worn parts. These include the motor and motor shaft seal, 3 gaskets, the strainer basket and cover, the impeller and diffuser. Click our guide on "How a Pool Pump Works" to see where these parts are located in a typical motor. See our other pump guides for step-by-step procedures on replacing these parts.

1/30/2012

Q:How do I check my pool pump's impeller to see if its bad?

A:Your pump's impeller may be cracked or worn and wobbling or just clogged. To look at or replace your impeller see our guide on "How to Replace a Pool Pump Impeller". For information on how a pump works, see our guide on "How a Pool Pump Works".

1/25/2012

Q:How do I change the shaft seal on my pool pump?

A:Changing the >shaft seal is quite simple. Here's > >How To Replace a Pool Motor Shaft Seal.

1/25/2012

Q:How do I change the motor on my pool pump?

A:Changing the motor on a pool pump is not that difficult. Here's a video on How to Replace a Pool Pump Motor. In addition to the video you can read our step by step guide here  Make certain that you purchase the correct shaft seal or Gokit to go with your new motor.

1/23/2012

Q:I have a leaking pool pump that seems to be getting louder when it turns on. I made sure everything is clear inside of the basket. How do I know it's just the motor? Please help.

A:If you have a leak, it is more than likely caused by a failed shaft seal. Once the shaft seal fails water is able to enter the motor body and cause damage to the bearings. Typically it will cause the motor to run louder than normal and the motor will eventually fail. Your most cost effective option would be to replace the motor and the surrounding seals/gaskets. You can purchase the >shaft seal alone, but it is recommended you purchase a  >GoKit. A Gokit contains the shaft seal, housing gasket, lid gasket, diffuser gasket and non petroleum based lubrication.

1/19/2012

Q:I'm trying to replace the motor on my pool pump but all these numbers and abbreviations on the motor label are really confusing me. What do they mean?

A:Replacing a pool pump motor is not as difficult as it seems. You can try looking >here >  >if you need help figuring out what the information on your label means. If you are still having difficulty figuring it out you can call us at our toll free number or you can send us a photo of your motor label >here.

1/18/2012

Q:I have a Hayward NorthStar that I am looking to replace. The only one's I see all have a threaded union connection. Do you still carry the one with the Quad lock?

A:Unfortunately Hayward discontinued the Quad Lock design on the NorthStar pump models in 2007. The housing on the newer pumps is a threaded design and re-plumbing would be necessary.

Customer Reviews

Ratings Summary

Average Rating:   (4.67 out of 5 Stars)

Recommended: (100%) 3 of 3 customers would recommend this product to a friend.

3 Ratings 5 star:   (2) 4 star:   (1) 3 star: (0) 2 star: (0) 1 star: (0)

The Most Helpful Review

4 of 5 people found the following review helpful:

   (5 out of 5 Stars) great pump and motor

Reviewed By: from west long branch, new jersey ()

Pros: easy to install

Cons: none

great pump and motor that was easy to replace. the motor lasted ten years before it started to act up and as a electrician that replaces outdoor motors all the time this unit lasts and is quiet and powerfull.

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The Most Recent Reviews

1 of 3 people found the following review helpful:

   (4 out of 5 Stars) Northstar Pool Pump Review

Reviewed By: from Florida ()

Pros: Fast delivery, just as ordered

Great item at a good price! Pump is great for inground pool use and very easy to install.

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4 of 4 people found the following review helpful:

   (5 out of 5 Stars) Great pump for older pool w/ smaller lines

Reviewed By: from Washington (St. Louis area) Missouri ()

Pros: Quite and pumps as well as Hayward Super

Cons: Big: Make sure you have enough room to install

Was looking to upgrade my pump after 40 years(Had rebuilt the old Hayward a couple times and case was starting to have broken edges). Chose the Northstar series for its newer features. Wanted higher pressure, but learned that would probably blow my lines. Really like this pump.

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