Kavius 1.5 HP Pool Pump Motor B2854 56Y Square Flange Dual‑Voltage Quiet Efficient

This heavy-duty electric motor delivers 1.5 horsepower (up-rated) with a 1.1 kW output, 3450 RPM and dual-voltage capability (230/115V). Built with a square flange 56Y frame and thermal protection, the Kavius B2854 is engineered to match common OEM numbers and fit popular pump housings while offering improved efficiency, quieter operation, and robust cooling for regular pool circulation tasks.

Which pumps and OEM part numbers will this motor replace?

The Kavius B2854 is crafted to be compatible with a wide range of legacy OEM numbers and common pump models, letting you swap it into many existing installations without modifying mounts or plumbing. It replaces Century/A.O. Smith B2854/B854 series numbers and fits numerous Pentair, Hayward, Sta‑Rite, Jandy and Waterway pumps that require a 1.5 HP 56Y square‑flange motor.

• Common OEM cross-references: B2854, B854, EB854 and similar Century/A.O. Smith numbers
• Compatible pump families: Pentair WhisperFlo/SuperFlo, Hayward TriStar/Max‑Flo II, Sta‑Rite Dura‑Glas/Maxi‑Glas, Jandy SHPF/JHP, Waterway Champion
• Also fits many older and aftermarket pump housings requiring 1 1/2 HP 56Y square flange

How efficient and quiet is this motor compared to standard pool motors?

The B2854 emphasizes reduced energy consumption and lower operating noise by combining a high‑efficiency design with a heavy‑duty aluminum cooling block and optimized run-capacitor electronics. You can expect quieter running at typical operating speeds and improved thermal management for extended life under normal pool conditions.

• High-efficiency windings designed to use less electricity than many standard motors
• Aluminum cooling block helps dissipate heat for steady thermal performance
• Run-capacitor design reduces audible vibration and smooths motor operation

What are the electrical and mechanical specifications I need to know?

Understanding the electrical ratings and frame type ensures proper fit and safe installation. The Kavius B2854 is a single‑phase permanent split capacitor motor, thermally protected, and tuned for common pool pump requirements.

• Power: 1.5 HP up‑rated, 1.1 kW; Speed: 3450 RPM; Service factor: 1.1
• Voltage/Amps: 230/115V at 8.0/16.0A; Frequency: 60 Hz; Ambient up to 50°C
• Frame and mounting: 56Y square flange (sized for direct pump mounting)

What installation and support should I expect after purchase?

The motor is designed for direct replacement installations but always follow your pump manufacturer’s guidelines and local electrical codes. Kavius offers a 12‑month manufacturing service and customer support if you encounter fitment or operational questions after purchase.

• Includes thermal protection and standard wiring for PSC single‑phase setups
• 12‑month manufacturer service and responsive customer support
• Confirm shaft length, rotation, and mounting bolt pattern before swapping

Who is this for: Pool owners, maintenance professionals, and service technicians who need a reliable, energy‑efficient replacement motor for 1.5 HP pool pumps with a 56Y square flange. If you have an older Century/A.O. Smith, Pentair, Hayward, Sta‑Rite or similar pump requiring the B2854/B854 footprint and dual voltage capability, this motor offers a practical swap with improved efficiency and dependable cooling.