3420410-S0Z Waterway 1.0 HP 2-Speed Spa Pump 115V, Waterway Spa-Flo-II Side Discharge, 48 Frame, 2.5" O.D. Fittings New Version Replaced Obsolete Original

Waterway Spa-Flo-II 1.0 HP 2-Speed Spa Pump (48 Frame, 115V, 2.5" x 2.5")

Another version replaced the obsolete 3420410-S0Z hot tub pump. It uses a Waterway Spa-Flo-II wet end and a 48 frame motor, the best current matchup for your spa's plumbing setup.

Key Specifications

• Horsepower: 1.0 HP
• Speed: 2-Speed
• Voltage: 115V
• Frame Size: 48 Frame
• Plumbing Connections: 2.5" O.D. Intake / 2.5" O.D. Discharge (measured across the openings - edge to edge)
• Wet End: Waterway Spa-Flo-II

Compatibility & Cross-Reference

• Current Version Replacement For: Obsolete Waterway model 3420410-S0Z
• Fitment Note: This pump has 2.5" O.D. intake and 2.5" O.D. discharge connections. Always measure your existing fittings before ordering.

Frequently Asked Questions (FAQ)

Is the 3420410-S0Z spa pump obsolete?
Yes. The original 3420410-S0Z model is discontinued. This 1.0 HP 2-speed 48 frame pump with 2.5" O.D. fittings is the current version replacement.

Where is the part number located on my hot tub pump?
It is printed on the specification label on the side of the motor. Look at the line marked MODEL to confirm it matches 3420410-S0Z.

What are the plumbing connection sizes for this pump?
This pump uses 2.5" O.D. (outside diameter) fittings for both the intake and the discharge. When measuring your old pump, measure across the openings - edge to edge.

Questions or not sure it fits? Call 858-210-8062 or text photos of your old pump and motor label to 858-215-4460.