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Atlantic Water Gardens L-305 TidalWave low-head submersible pump, showing 3-inch MPT outlet and rugged cast-iron/stainless housing, on white background.

Atlantic Water Gardens L-305 TidalWave 0.5 HP Low-Head Pump

Brand: Atlantic Water Gardens
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$1,691.07
$1,268.30
SKU L-305

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Built for low-head, high-volume installations, the Atlantic Water Gardens L-305 TidalWave L-Series pump delivers exceptional flow where wide waterfalls or large pond returns are required. As an axial-flow, direct-drive unit the L-305 produces up to 11,400 GPH at low head and performs across a recommended operating range of 2.5'–15' of head.

  • Motor & electrical: 0.5 HP (1/2 HP), 115V, 6.4 amps, 710 watts with thermal overload protection and a 32' heavy-duty power cord.
  • Flow & outlet: High-volume axial design; 3" MPT discharge for large-diameter plumbing and reduced hydraulic restriction.
  • Construction: Rugged cast-iron and stainless-steel housing with dual drive bearings and double silicone-carbide mechanical seals for long service life.
  • Performance: Optimized for massive flows at low head (up to ~11,400 GPH at 2.5' head); ideal for wide waterfalls, large pond returns, and pondless setups.
  • Dimensions & weight: 9" L x 9" W x 19.25" H; approximately 60 lb shipping weight.
  • Warranty & maintenance: Backed by a manufacturer 2-year warranty; routine care is primarily keeping the intake screen clear to prevent debris build-up.

Engineered for both professional installers and serious hobbyists, the L-305 simplifies plumbing with a 3" male-threaded outlet and a compact footprint. Refer to the L Series manual (product documents) for installation details, electrical requirements, and recommended duty cycles. Follow all local codes and use a GFCI-protected circuit for safe operation.

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Frequently Asked Questions

What head range is the L-305 suitable for?
The L-305 is designed for low-head, high-volume use with a recommended operating range of about 2.5' to 15' of head.
How much flow does the L-305 produce?
At low head the L-305 can deliver up to approximately 11,400 GPH; flow decreases as head increases—see manual for detailed curves.
What routine maintenance does this pump require?
Maintenance is minimal: keep the intake screen clear, inspect for debris, and follow the manual’s service recommendations to preserve seals and bearings.
Is there a warranty for the L-305 pump?
Yes. Atlantic Water Gardens provides a 2-year manufacturer warranty for L Series pumps under standard warranty terms.

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