K63MWENC-4729 US Motors 2.0 HP 1-Speed Spa Pump 230V 10.0A, Power-Right Side Discharge, 56Y Frame, 3" O.D. Fittings, CAT TS603 New Version Replaced Obsolete Original

Power-Right PRC603 2.0 HP 1-Speed Spa Pump (56Y Frame, 230V, 3" x 3")

Another version replaced the obsolete K63MWENC-4729 hot tub pump. It uses a Power-Right PRC603 wet end and a 56Y frame motor, the best current matchup for your spa's plumbing setup.

Key Specifications

• Horsepower: 2.0 HP
• Speed: 1-Speed (3450 RPM)
• Voltage: 230V
• Amperage: 10.0 Amps
• Frame Size: 56Y Frame
• Plumbing Connections: 3" O.D. Intake / 3" O.D. Discharge (measured across the openings - edge to edge)
• Wet End: Power-Right PRC603

Compatibility & Cross-Reference

• Current Version Replacement For: Obsolete US Motors model K63MWENC-4729 (CAT TS603)
• 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 K63MWENC-4729 spa pump obsolete?
Yes. The original K63MWENC-4729 model is discontinued. This 2.0 HP 1-speed 56Y 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 K63MWENC-4729, and CAT. NO. for TS603.

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.