3/4 HP Waterway Center Discharge Spa Pump: 1.5" in/out 48Fr-120V

BX4100-C1
3/4 HP Waterway Center Discharge Spa Pump: 1.5" in/out 48Fr-120V
3/4 HP Waterway Center Discharge Spa Pump: 1.5" in/out 48Fr-120V
3/4 HP Waterway Center Discharge Spa Pump: 1.5" in/out 48Fr-120V
3/4 HP Waterway Center Discharge Spa Pump: 1.5" in/out 48Fr-120V
3/4 HP Waterway Center Discharge Spa Pump: 1.5" in/out 48Fr-120V

3/4 HP Waterway Center Discharge Spa Pump: 1.5" in/out 48Fr-120V

BX4100-C1
Regular price $269.95
/
Qualifies for Free Shipping Free standard shipping to US contiguous 48 states for $100+ merchandise total.
Delivery to US-48 Only This item is not available for delivery to Alaska, Hawaii, or Canada.
  • In stock, ready to ship
  • Inventory on the way
Ships next business day.

Durable Waterway eSeries Spa Pumps are simple to install and provide years of trouble-free use. Because of our huge buying power, you'll pay less for a complete new hot tub pump (motor & wet end) than some others charge for just a replacement motor.

  • 1-1/2" Center discharge
  • 2-Speed

Product Notes: 110 - 120V. 2-speed; easily configured for 1-speed. Waterway uses various motor manufacturers, so capacitor location may be external or internal. Order new pump unions if needed. Some brands (such as Hayward, Jacuzzi or Sta-Rite) may use non-standard fittings with different dimensions.

Pump Selection & Installation Guide

Voltage: 110-120V

Speed: 2-speed: 3450 RPM high/1725 RPM low

Horsepower: 3/4 HP

Amperage: 8.8A high/2.6A low

Gallons Per Minute: 105 GPM (high speed)

Frame Size: 48 Frame

Intake: 1.5” plumbing (2.375” O.D. pump threads)

Discharge: 1.5” plumbing (2.375” O.D. pump threads)

Discharge Type: Center

Wet End Discharge Orientation: Top (can easily be rotated)

Overall Length: 15.25”

Waterway Cross Reference: 3420310-15, P208CD1512, SP-34-2N11C, 300-1010

Aqua-Flo Cross Reference: 0260700, 02607000-1000, 02607000-1010, 02607111-1

Motor Cross Reference: RB802, BN36, 5KCP39NN4294X

Warranty: 12 Month Limited Warranty

Horsepower Ratings

Choosing a pump based on Horsepower (HP) can be misleading. The horsepower listed in your spa manual or on old pump's label may be overinflated, inaccurate, or even left blank. Horsepower ratings are often listed as Break Horsepower (BHP), which is not the same as continuous horsepower. Selecting a pump with too much power for your spa can cause significant damage.

To avoid choosing the incorrect pump, use the Amperage rating listed on the old pump's label to find the correct replacement instead of the horsepower. The amperage rating is listed with both high/low speed for a 2 speed pump.

Determining Spa Pump Plumbing Size

Pump plumbing sizes are nominal and not actual outside diameter (O.D.) of the threaded intake or discharge. Use a tape measure and check the diameter of your old pump thread size.

  • 1.5” Pump thread measures approx. 2-3/8” O.D.
  • 2.0” Pump thread measures approx. 3” O.D.
  • 2.5” Pump thread measures approx. 3-5/8”

Orientation of Wet End

Pump wet ends can be oriented in 90º increments to meet your installation requirements. Loosen the four through-bolts from the back of the motor and pull them back enough to disengage. Then rotate the wet end to the desired position realign and re-tighten the bolts. 

Side or Center Discharge

The two spa pump form factors refer to the outflow or discharge fitting on the Wet End. Your old pump will be either Center Discharge or Side Discharge.

In most cases you need to match the existing form factor to get the components to match up. If you can use either form, select Side Discharge, which is more efficient than a Center Discharge pump of the same horsepower.

Motor Frame Size

The physical size of the pump motor is referred to as frame. Spa main pumps will have a size of either 48 frame, which are approx. 5.5" diameter, or 56 frame, which are approx. 6.5" diameter.

Since motor manufacturers do not label frame size consistently, you should determine a motor's frame size by measuring the spacing between the through-bolts on the back of the motor. Bolt spacing on a 48 frame motor will be less than 4 inches. A 56 frame motor's bolts will be spaced more than 4 inches apart.

Note: Because of their lower cost and compact size, most spa pumps in service are 48 frame. The larger 56 frame motors are a little more expensive and somewhat stronger. They tend to operate a bit cooler than 48 frame units, which can mean longer service life.

Configuring a Pump for 2 or 1 Speed Use

Our 2-speed pumps can easily be configured for 1-speed. Wire the common and high speed terminal connections, while leaving the low speed terminal blank.

Customer Reviews

Based on 16 reviews
69%
(11)
13%
(2)
6%
(1)
6%
(1)
6%
(1)
J
Jerry
Seems to be a fine 3/4 HP Jet pump

Good replacement for the 1HP pump in my Hot Springs Jetsetter spa, though not quite the same dimensions at the fittings … required some modifications, but worked in the end.

D
DHL
Here's to the next 25 years!

My in house jacuzzi spa tub is working again! Old one lasted 1989 - 2014 or so hope this one lasts for the next 25 years :)

j
joey
works great and half the price!

Fast delivery and half the price of everyone!

A
Alexander
Great product. exactly as described!

Great easy to ready instructions, very quite, with little to no vibrations, comes with assembly instructions if a part fails. VERY FAST SHIPPING! Ordered Tuesday got it Friday! Very satisfied!

j
jeanniejim
I would buy again

quiet! works well on our spa tub!

N
Next level
Good pump

Good pump easy to wire but would like to have unions made for it had to shop around to find ones that fit.

P
PBTiam
perfect drop in replacement

exact, drop in replacement for my spa pump. 5 minutes to swap out the old one and i'm back in operation.

D
Dale
I requested a motor with capacitor on the back of motor.

When I received the motor the capacitor was on top not as pictured. I did not have the clearance to use the motor you sent. I ended up removing capacitor and designing a mount to put capacitor on the back of motor. That ended up costing me another 2 hours of work and I also had to change plumbing to fit the motor in.

C
Chuck the American
Great motor and pump

Included wiring diagram was great to ensure I got the high speed windings connected correctly.

F
Fastdog
I would buy this pump again.

Great service and a very good product for the money. Delivery was quick and easy. Great folks to deal with for these type of products.