Description
The Magnum E-Plus 3/4 HP High Efficiency Motor [2-S] (B2982) is a rugged, dual‑speed pool motor built to deliver dependable circulation with energy‑savvy operation. Crafted for outdoor pool environments and designed for easy cross‑compatibility, this motor brings reliable performance from AO Smith, Century, and Regal Beloit all in one durable unit.
Two‑speed versatility that fits your pool needs
- Two‑speed operation lets you switch between a quiet, efficient low speed for regular filtration and a higher flow when backwashing or rapid turnover is required, helping you balance comfort and energy use.
- Amperage options: 7.4 A on high speed and 1.4 A on low speed, giving you clear, real‑world choices for different pool conditions.
Solid, pool‑ready construction
- Voltage and phase: 230 V, 1‑phase, standard for residential pool pump systems.
- Frame and mounting: 56Y frame with a square flange for wide compatibility with common pump housings.
- Capacitor on top for reliable starting and smooth operation across speeds.
- Open Drip-Proof design to withstand outdoor moisture and poolside environments.
- Permanent Split Capacitor (PSC) configuration for simple, durable performance with low maintenance needs.
- Rotation: Counterclockwise (CCW) orientation to align with standard pump assemblies.
- Insulation: Class B insulation on the pump end for dependable thermal resistance.
- Pump end construction: 303 stainless steel shafts for corrosion resistance in harsh pool chemistry.
- Mounting and drive: Threaded shaft and square flange ensure secure, easy installation and alignment.
- Ambience tolerance: Rated for up to 50°C ambient temperatures, suitable for hot pool environments.
What makes this motor unique
- Cross‑brand compatibility: Built to replace a wide range of OEM models from AO Smith, Century, and Regal Beloit, simplifying replacements and field repairs.
- High‑efficiency, two‑speed design specifically tuned for pool circulation—delivering the right balance of flow and energy use for daily filtering and peak cleaning cycles.
- Durable materials and construction choices (303 SS shafts, OPD design, and robust insulation) mean longer life in wet, chemically treated pool environments.
Technical snapshot
- Motor Type: Pool motor
- Speed: 2‑speed
- Horsepower: 3/4 HP nominal (title reference) with dual‑speed capability
- End and shaft: Pump end with Class B insulation, 303 stainless steel shafts, threaded shaft
- End configuration: Open Drip-Proof, capacitor on top
- Manufacturer lineage: AO Smith / Century / Regal Beloit
- Replaces: Numerous OEM models, making it a versatile swap for many pool pump setups (examples include a broad list of part numbers in the product lineage)
Designed for pool enthusiasts and service professionals alike, the Magnum E‑Plus B2982 is the practical, high‑efficiency choice when you need dependable two‑speed performance that’s easy to source, install, and maintain. Whether you’re upgrading an aging motor or configuring a new pool pump, this motor’s balanced combination of energy efficiency, durability, and broad compatibility helps you keep water moving with confidence.
Installation tip: Verify your pump housing compatibility with the 56Y frame and square flange, and ensure you’re using a compatible capacitor and seal kit for long‑term reliability. The dual‑speed capability benefits from proper wiring and control wiring to switch speeds smoothly and safely.


