7-186510-01 Century 4.0 HP 1-Speed Spa Pump 230V 12.0A, Waterway Hi-Flo Side Discharge, Y48Y Frame, 3" O.D. Fittings, CAT BN41 New Version Replaced Obsolete Original

Waterway Hi-Flo 4.0 HP 1-Speed Spa Pump (Y48Y Frame, 230V, 3" x 3")

Another version replaced the obsolete 7-186510-01 hot tub pump. It uses a Waterway Hi-Flo wet end and a Y48Y frame motor, the best current matchup for your spa's plumbing setup.

Key Specifications

• Horsepower: 4.0 HP
• Speed: 1-Speed (3450 RPM)
• Voltage: 230V
• Amperage: 12.0 Amps
• Frame Size: Y48Y Frame
• Plumbing Connections: 3" O.D. Intake / 3" O.D. Discharge (measured across the openings - edge to edge)
• Wet End: Waterway Hi-Flo

Compatibility & Cross-Reference

• Current Version Replacement For: Obsolete Century model 7-186510-01 (CAT BN41)
• 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 7-186510-01 spa pump obsolete?
Yes. The original 7-186510-01 model is discontinued. This 4.0 HP 1-speed Y48Y 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 7-186510-01, and CAT. NO. for BN41.

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.