3R21050-0D6K Waterway 2.5 HP 2-Speed Spa Pump 230V 50Hz (International) 10.3/1.8A, Waterway Executive-Euro Side Discharge, 56 Frame, 3" O.D. Fittings New Version Replaced Obsolete Original

Waterway Executive-Euro 2.5 HP 2-Speed Spa Pump (56 Frame, 230V, 3" x 3")

Another version replaced the obsolete 3R21050-0D6K hot tub pump. It uses a Waterway Executive-Euro wet end and a 56 frame motor, the best current matchup for your spa's plumbing setup. This is a 50Hz motor for international use, not for standard US 60Hz power.

Key Specifications

• Horsepower: 2.5 HP
• Speed: 2-Speed
• Voltage: 230V 50Hz
• Amperage: 10.3 Amps (High Speed) / 1.8 Amps (Low Speed)
• Frame Size: 56 Frame
• Plumbing Connections: 3" O.D. Intake / 3" O.D. Discharge (measured across the openings - edge to edge)
• Wet End: Waterway Executive-Euro

Compatibility & Cross-Reference

• Current Version Replacement For: Obsolete Waterway model 3R21050-0D6K
• Fitment Note: This pump has 3" O.D. intake and 3" O.D. discharge connections. Always measure your existing fittings before ordering.

Frequently Asked Questions (FAQ)

Is the 3R21050-0D6K spa pump obsolete?
Yes. The original 3R21050-0D6K model is discontinued. This 2.5 HP 2-speed 56 frame pump with 3" 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 3R21050-0D6K.

What are the plumbing connection sizes for this pump?
This pump uses 3" 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.