7-177781-02 Century 0.5 HP 2-Speed Spa Pump 115V 8.8/2.6A, Aqua-Flo FMCP Center Discharge, R48Y Frame, 2.5" O.D. Fittings, CAT BN36 New Version Replaced Obsolete Original

Aqua-Flo FMCP 0.5 HP 2-Speed Spa Pump (R48Y Frame, 115V, 2.5" x 2.5")

Another version replaced the obsolete 7-177781-02 hot tub pump. It uses a Aqua-Flo FMCP wet end and a R48Y frame motor, the best current matchup for your spa's plumbing setup.

Key Specifications

• Horsepower: 0.5 HP
• Speed: 2-Speed (3450 RPM High / 1725 RPM Low)
• Voltage: 115V
• Amperage: 8.8 Amps (High Speed) / 2.6 Amps (Low Speed)
• Frame Size: R48Y Frame
• Plumbing Connections: 2.5" O.D. Intake / 2.5" O.D. Discharge (measured across the openings - edge to edge)
• Wet End: Aqua-Flo FMCP

Compatibility & Cross-Reference

• Current Version Replacement For: Obsolete Century model 7-177781-02 (CAT BN36)
• 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 7-177781-02 spa pump obsolete?
Yes. The original 7-177781-02 model is discontinued. This 0.5 HP 2-speed R48Y 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 7-177781-02, and CAT. NO. for BN36.

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.