Power-Flo II 1 HP 1-Speed Pump - SP1780



Part # W3SP1780

By Hayward Pool Products

  4.41 Average  



Part # W3SP1780

Manufacturer Code SP1780

Product Description

Self-Priming Pump Series

Power-Flo II is a high performance, low maintenance pump series available at an affordable price. For above-ground and in-ground pools requiring self-priming action, Power-Flo II is the pool professional's choice for superior performance and unparalleled quality.


  • Voltage = 115
  • Pipe Size = 1.5"


  • Above-ground, small in-ground pools
  • Water fountains
  • Small marine aquariums
  • Pond circulation


  • Heavy-duty motor with stainless steel motor shaft and automatic thermal overload protector for maintenance-free operation
  • Exclusive corrosion-proof PermaGlass XL™ housing for all-weather performance and quiet operation
  • 100% drip proof, heat-resistant double sized seal for long motor life
  • Unique, integral diffuser ensures rapid priming
  • Massive strainer basket has extra leaf-holding capacity
  • Clear cover lets you see when basket needs cleaning 
  • Drain plug for easy maintenance of pump

Performance Data:  

Pump Output (GPM) vs. Total Resistance To Flow (Feet of Head)
Model Number 10 ft 20 ft 30 ft 40 ft 50 ft
SP1750 55 45 33 15 -----
SP1775 65 57 45 30 8
SP1780 78 69 56 40 15


Miscellaneous Notes
1 Year Warranty On Strainer Housing.
1 Year Warranty On Motor.

Overall Dimensions

Click here for more Hayward Pool Pumps

Product Specifications

1 HP
115 V
Port Size:
1.5 in.

?     Asked on 5/26/2019 by Rob

Will this pump replace my Power-Flo II Pump that I currently have. Model# sp1510z1xec part# 7-184878-22


A  Answered on 5/26/2019 by InyoPools Product Specialist Patrick P.

Hi Rob, Yes this is the direct drop-in replacement for your Hayward Power Flo II pump. 

A  Answered on 5/27/2019 by Product Owner

Is there a union kit I can get for this pump. Looks like when they plumbed it, they didn’t use unions

?     Asked on 7/11/2017 by David L

What is the input and output thread sizes? Are these NPT or does it come with special fittings?

A  Answered on 7/12/2017 by InyoPools Product Specialist Patrick P.

Hi David, The input and output ports on this pump are 1.5" female and accept a standard 1.5" male fitting.

?     Asked on 5/24/2017 by

is this motor have a lift pump in it

A  Answered on 5/27/2017 by InyoPools Product Specialist Stacey M.

Hello, please give us more description on what a "lift pump" would be.

?     Asked on 6/7/2016 by

Can you move the exit port to the side and not the top?

A  Answered on 6/7/2016 by InyoPools Product Specialist Patrick P.

Yes by unscrewing the screws on the pump you can rotate the discharge port to have side discharge.

?     Asked on 5/30/2016 by marnie

I have an above ground pool 24*52 I am looking for a new hayward pump, which one do you recommend?

A  Answered on 6/3/2016 by InyoPools Product Specialist Lennox H.

Hi Marnie, This pump is adequate for a 24'R x 52"H pool.

?     Asked on 6/11/2015 by David Adamson

Need a thermal overload for 1 hp Hayward pump , need price

A  Answered on 6/12/2015 by InyoPools Product Specialist Alex V.

David, Unfortunately we do not have a thermal overload for this pump/motor.

?     Asked on 5/9/2015 by Charles B. Eaves

what is a good replacement pump for a flotec pool pump AT 251001-01

A  Answered on 5/10/2015 by InyoPools Product Specialist Patrick P.

Hi Charles, I am showing that the flotec pump AT 251001-01 is for an inground pool, if this is the case then I would suggest this 1 HP Inground Pool Pump.

?     Asked on 9/5/2008 by Guest

Is the Power-Flo II equipped with a power cord?

A  Answered on 9/5/2008 by InyoPools Product Specialist Patrick P.

No, the power cord is sold separately. Here is a link to the power cord. http://www.inyopools.com/Products/07501352015032.htm


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