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3 HP Spa Pump: 2.5" in/2.0" out, Side Discharge, 56 Frame-240V

SKU: BX4108-S25
PRICE: $254.95

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2-Speed Heavy Duty Spa Pump
(easily configured for 1-speed) How to

Our premium quality Spa Pumps are unsurpassed for reliability and long life. Because of our huge buying power, we charge less for a complete new hot tub pump (motor & wet end) than some others charge for just a replacement motor or rebuilt unit!

3 Year Warranty High Performance Motors We use top quality Waterway wet ends and new high performance motors-- the best money can buy.

Need help? See the replacement spa pump informationPump Selection & Installation Guide

Spa Pump Dimensions A: 15 3/4"
B: 8 1/2"
C: 3 5/8"
About Frame size

Side vs. Center Discharge

Orientation of Wet End

Pump wet ends can be oriented in 90º increments to meet your installation requirements. Loosen the pump's 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.  

Wet ends can be rotated

How to Determine Spa Pump Plumbing Size
by measuring O.D. of wet end male threads

Plumbing size

Pump plumbing sizes are nominal, and not actual outside diameter (OD) of the threaded intake or discharge. Use a tape measure and check your old pump thread size against this sizing table for most* spa pump brands:

Plumbing Size
Pump Thread O.D. (approx.)

Product notes: 220-240V, 10A high speed (3450 RPM), 3.4A low speed (1725 RPM). 210 GPM on high speed. Order new pump unions (link below) if needed. Waterway part numbers: 3721221-13 and PF-30-2N22C. Replaces motor numbers RB816, B234 and 5KCP49TN9313X.

IMPORTANT: *Some brands of hot tub spa pumps (such as Hayward, Jacuzzi, and Sta-Rite) use non-standard fittings with different dimensions.

Help Desk Great price and features aside, buying from The Spa Depot provides access to one thing you can't get anywhere else: our expert technical support. Installation questions or need assistance? We're here to help!

Toll Free (800) 823-3638 Support hours: Weekdays, 8 am - 5 pm, Pacific Time

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