1.5 HP Waterway Executive Spa Pump: 2" in/out 120V

BX4102-S2
Regular price $369.95
Regular price Sale price $369.95
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Add to Order (recommended):

$4.95
O-Ring Gasket, 2" (2-15/16"OD) - 2-Pack
2" Union Gasket
(2 ¹⁵⁄₁₆" OD) 2-Pk
$4.95
Waterway Pump Drain Plug Tubing Adapter 1/4" MPT x 3/8" Barb
Drain Tube Adapter
¼" NPSM x ⅜" Barb
$9.95
Silencer Anti-Vibration Spa Pump Motor Base
Silencer Mounting Base
Pump Vibration Isolator
$21.95
Spa strap wrench
Nut Wrangler Wrench
Easily removes stuck unions
Select Title

Durable Waterway Executive 48 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.

  • 2" Side 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

Details

Voltage: 110-120V

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

Horsepower: 1.5 HP

Amperage: 13.3A high/4.1A low

Gallons Per Minute: 155 GPM (high speed)

Frame Size: 48 Frame

Intake: 2” plumbing (3” O.D. pump threads)

Discharge: 2” plumbing (3” O.D. pump threads)

Discharge Type: Side

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

Wet End Drain: Tapped & threaded for 3 plugs (included) - One open port, (2) knockouts

Overall Length: 16½”

Waterway Cross Reference: 3420610-1A, 3420610-13, PF-15-2N11C4, PF-15-2N11M4

Motor Cross Reference: RB803, BN37, 5KCP39RN4422X

Certification:  UL Recognized

Limited Manufacturer's Warranty: 1-Year

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1.5HP spa pump praised for reliability and easy installation. Customers said it works as a "direct replacement" for various hot tubs. Most report quiet operation and improved jet pressure. Some noted challenges: gaskets difficult to position during install, plumbing modifications needed for fit, and lack of on/off switch. Overall, praised for fast delivery and great value.

  • 5 stars: 63 (86%)
  • 4 stars: 7 (10%)
  • 3 stars: 2 (3%)
  • 2 stars: 0 (0%)
  • 1 star: 1 (1%)
m
mjfusa
Update on previous review for installation in Aquaterra

Just providing some more pictures to a previous review I did on installing this pump in an Aquaterra Transport II. As mentioned in my previous review, the plumbing is tight (but will work) when using this replacement pump. The main reason is evident in the pictures below with the main culprit being that the suction side inlet is about 5/8 taller than the original Watkins pump. As I said before, the plumbing in this tub has very little play so it takes some patience to get everything lined up and threaded properly.

m
mjfusa
Replaced Watkins 1431701-03 rev A in Aquaterra Transport II

With help from SpaDepot tech support, this pump was identified as the correct replacement for my Aquaterra Transport II tub that had an existing Watkins 1431701-03 rev A pump installed. The first pump that SpaDepot sent out was defective. It was loud and leaking from the shaft seal. It also was causing a FLO error on my control panel. I worked with SpaDepot and they did send out a replacement which worked like a champ and is much quieter than the defective one and maybe just about as quiet as the Watkins. Anyway, this pump installed ok as a replacement in this Aquaterra. A couple words of caution: 1) replace the o-rings on your tail pieces when changing this pump. I tried the recommended o-ring/gasket combo from SpaDepot but these did not fit right in my case. Instead, I ordered standard #230 o-rings from another supplier and these worked great. 2) This pump, while very close, is slightly different in dimensions. The plumbing in the Aquaterra is so tight that I had to first hook up both unions before screwing down the pump to the base so that everything would line up correctly. Also, the inlet side (top) of the plumbing is slightly off for this pump in relation to the factory plumbing. You should loosely (and cleanly) thread the top union then push (the 90 degree PCV pipe) as hard as you can toward the back of the cabinet so that the flanges seat correctly then make the union tight. Finally, I ordered the recommended rubber isolation base for this pump but it won't work on the Aquaterra because, again, the plumbing is too tight with almost no tolerance to movement. All in all, everything worked out great but learned some lessens along the way (like change the o-rings while you have it apart!!). Also, DO NOT use a wrench to tighten the union to the pump; you WILL regret it. Hand tighten only! Good luck!

G
Gary T.
I'll be doing all my business with you in the future

So far so good. Pumps working fine.

w
wr
Good pump, exactly what was needed as a replacement

Emailed the make/model of the spa with some close up pics to the helpdesk at Spa Depot - they got back to me the next day with what they suggested (this pump) - I ordered it, and it was delivered the next day! Fixed the spa right away, great service all the way around.

D
DALE W.
Motor came on time

Motor came on time. Works great. Difficult keeping gaskets in place during installation.

M
Mike k.
Everything went great and with a new circulation

Everything went great and with a new circulation pump, it has more jet pressure so everything is working perfectly. Thanks guys.

M
Mark C.
Replacement spa pump

Parts fit and work well.

S
SHELTON S.
Great service !

Spa Depot is great matched up my pump and motor, great service great company.

J
James H.

Had to do a few modifications on existing plumbing to get it to line up but that's pretty much it. Wiring was real easy to swap out. Seems to work fine.

S
Summertime❤️

This motor was exactly what we needed for our above ground pool, the inlet/outlet connections were a bigger size which fit all of our previous connections. This pump comes without an on/off switch and wiring which is a problem when you have to order that separately.

M
My D.
Excellent direct replacement

Ordered to replace old rainbow hot tub that is built into our deck.
Direct swap , had it replaced in 20 minutes. Hot tub is back in action.
Highly recommended

E
Ed

Very dependable I’d like the way they treat me always nice

S
Stephen R.
Spa Pump

The spa pump that I bought from the Spa Depot was the exact replacement for my 10-year-old spa. Whether shopping on their web site or their eBay store, I have always found what I am looking for and at a great price.

E
Ed H.
Really good service

They are awesome I just love Amy. She is so sweet and that woman knows her parts. It’s good to talk to someone that really knows what you’re talking about. Even though sometimes I’m not really sure what I’m trying to say. I’m not perfect.

T
THEBRAD
YES

For Hot Tub.

B
Bigd
I would buy this product again

Matched up great

n
none
It was the same pump has the original

It was a replacement pump for my spa at half the price..

D
Dirk
Just what I needed

The right product at a good price. I have an old Clearwater Trio spa, and the shaft to the impeller of the old pump literally rusted through. This pump is a little less power than the original, and the ordering of the wiring was slightly different, but the wiring was easy to figure out and the pump works like a charm. #sweepstakes Pump arrived promptly and in good condition.

J
JAMES B.
Not happy so far!

Did not hook up to my plumbing on Hot Springs Spa and seals I ordered did not work!

B
Bruno L.
Ryan helped me get my spa parts up and running.

Ryan researched my needs and all the picks and numbers related put together an estimate. I orered the parts up and runnung! Thanks crew!

t
thomas M.
thanks

thank you are the best

D
Dustin
Direct replacement for a 2005 Jacuzzi Vita Spa

Easy to install and runs quiet and efficient.

t
troy t.f.
Yes I will buy these products again

I install the pump in the hot tub it works great thanks for shipping so fast. I love your products. I was able to completely change out pipes and hoses and fitting with jets that also needed replaced. Thank you again

D
Dave
Timely Response

I now enjoy my daily dip thanks to the hot tub pump that was delivered on time. I waited several months for another firm I asked to get my unit running. They claimed the pump was on back order. I ordered from your web site and it was here within 5 days. Thanks.

M
Mickemouse7
Super Nice Staff and Correct Parts - double bonus

I wasn't sure what to get support got back to me within minutes of my email and helped me order the correct parts. Installation was a breeze. Highly recommend this company.

R
RAG1
Good pump

The pump was as advertised. The price was fair. It was delivered promptly.

T
Timothy K.
The pump I purchased has failed me

A year, almost to the day, the pump has stopped working! I need to get tech support or a new pump.

J
Joe H.

does this pump come with standard 110v plug?

SpaDepot.com

This pump doesn't come with a cord, you'll reuse your existing cord.

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