Balboa 4239110-S Dura-Jet 1HP two speed 48 frame 115V spa pumpBalboa Dura-Jet Spa Pump, 1HP 2-Speed 48 Frame 115V, 4239110-S In stock$30399
Balboa 4239110-S Dura-Jet 1HP two speed 48 frame 115V spa pump
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Balboa Dura-Jet Spa Pump, 1HP 2-Speed 48 Frame 115V, 4239110-S

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$30399
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Quick overview

  • Two speed on 115V Low speed for circulation and heating, high speed for the jets, on a standard 115 volt supply.
  • Compact 48 frame The small volute and 48 frame footprint fit equipment bays that will not take a larger pump.
  • Carbon ceramic seals Seal faces are carbon ceramic with Viton elastomers, chosen to survive sustained heat and chemical exposure.
  • High efficiency impeller The Dura-Jet impeller is designed to move more water per horsepower than others in its class.
  • Quiet running Dura-Jet pumps are built for low noise, which matters when the equipment sits a few feet from the spa.
  • Balboa 4239110-S The Balboa Water Group part number for the 1HP two speed 115V 48 frame version.
Full description and specifications ↓

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Product details

The Balboa Dura-Jet 4239110-S is a 1 horsepower two speed spa pump on 115 volts, built on a 48 frame motor with a compact volute.

Two speeds, two jobs

Low speed handles circulation and heating. It is quiet, it draws little power, and it is what the pump should be doing most of the day. High speed is reserved for the jets. Splitting those two jobs across one pump is the reason a two speed unit costs less to run than a single speed of the same size.

Built for spa conditions

Every seal in the pump uses carbon ceramic faces with Viton elastomers. That combination is specified because spa water sits hot and heavily sanitized for years at a time, and standard seal materials harden and leak under those conditions. The impeller is designed for higher efficiency flow than others in its horsepower class, and Balboa rates the Dura-Jet family as capable of flow rates exceeding 210 gallons per minute.

Fitting it in

The small volute and the 48 frame footprint are the practical advantage here: this pump goes into bays that will not take a bigger body. Check the union sizes and the port orientation on your existing pump before you order, and confirm the spa pack is wired for 115 volts.

Specifications
Brand Balboa
Manufacturer part number 4239110-S
Series Dura-Jet
Type Spa pump
Horsepower 1 HP
Speeds 2 speed
Frame 48 frame
Voltage 115V
Seals Carbon ceramic with Viton elastomers
Series flow capability Dura-Jet high flow rates can exceed 210 gallons per minute
Shipping weight 32 lb
Ships Parcel

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Questions and answers

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

What does two speed give me?
Low speed runs the circulation and the heater quietly and cheaply. High speed is there when you want the jets. Running low most of the day is what keeps a spa cheap to own.
Will it fit my existing equipment bay?
It is a 48 frame pump with a small volute, which is the compact end of the range. Measure the bay and match the plumbing unions before ordering, since wet ends and port orientation vary.
Why does the seal material matter?
Spa water is hot and heavily treated. Carbon ceramic seal faces with Viton elastomers hold up to that combination far better than standard rubber, which is why Balboa specifies them here.
Is this the 115V or the 230V version?
115V. Balboa builds the same Dura-Jet in other horsepower and voltage combinations, so confirm the supply at the spa pack before ordering.
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