Waterway EX2 Spa Pump 4.0 HP 230 Volts 2 Speed 56FR (3721621-1W)

Spa pump 3721621-1W is a Waterway EX-2 that is 4.0 Horsepower 230 volt 2 speed 56 frame pump. EX2 pumps have a 2" intake and side discharge (measures 3" across) The 3721621-1W is a 56 frame, you will want to check your current pumps motor label or measure your pump. Putting in a different frame size spa pump typically is not a problem as most spas have some flex in the plumbing but be warned it may not line up perfectly if you choose to change frame sizes.

If you have questions reading the information from your pump motor please see our motor label page, or watch our quick video. As always we are here to help if you have a question email or call us.

This Waterway EX-2 Pump Specs:

• 4.0 Horsepower
• 56 Frame
• 230 Volts
• 2 Speed
• 12 Amps.
• 2" Side Discharge
• 2" Intake

Waterway EX-2 Features

• Made in USA from highest quality materials with UL and CUL certifications
• Equipped with the highest quality Viton Seals. Means this pump can hand salt systems.
• Equipped with high efficiency electrical motors, custom designed for Spa applications

EX-2 Pump Wiring Instructions Here

Technical and Installation: 

• Pump is manufactured in the wet-end orientation shown, but you can simply rotate you wet end to match your spa plumbing, if needed.
• Pump is manufactured without a pump amp cord. You will need to use your existing pump amp cord or purchase a new one. 
• Please see How to Wire a Spa Pump to wire the pump amp cord. 

Manufacturer: Waterway
Manufacturer Number: 3721621-1W
Manufacturer Warranty: 1 year part

Remember we have hands on service experience with every product we sell, so we are available with tech support, problem diagnoses, installation help, and should it be needed warranty issues.