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Little Giant - Automatic - Hydroponic Pump - 1200 GPH - 5ASP-LL - 505355

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Little Giant - Automatic - Hydroponic Pump - 1200 GPH - 5ASP-LL - 505355Little Giant - Automatic - Hydroponic Pump - 1200 GPH - 5ASP-LL - 505355
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Little Giant - Automatic - Hydroponic Pump - 1200 GPH - 5ASP-LL - 505355

Product Features
Product Reviews
All Little Giant Hydroponic pumps are manufactured with a corrosion-resistant body specifically designed for submersible use. Automatic transfer pump. Ideal for applications that require intermittent pump cycling/water flow. Quiet operation for a better indoor experience. Completely submersible. Removes water to within 1/8" of surface. Bottom intake design with pre-screen to protect against debris. Typical applications include commercial, industrial, and home uses where liquid must be transferred or recirculated.Our extensive product line allows you to choose which pump features are best for your application.

Several advantages including:

  • Great for Hydroponics, Water Removal and Fountains
  • Great for applications that require intermittent pump cycling/water flow
  • Very Reliable
  • Designed for continuous duty
  • Piggyback Diaphragm Switch
  • Garden hose adapter
  • Removable inlet screen for easy cleaning
  • Bottom intake design with pre-screen to protect agains debris
  • Removes Water to within 1/8" of surface area
  • Epoxy coated cast aluminum housing
  • Polyethylene Intake Screen
  • Stainless Steel Bracket
  • Viton shaft seal
  • Multiple switch options for automatic operation
  • Automatic operation: On level: 3" Off Level: 2"
  • Suitable for intermittent water temperature up to 120 °F
  • The motor is a continuous duty type sealed in oil with an automatic thermaloverload protector device
  • The motor housing of the pump is completely sealed and requires no service
  • The pump can run against a restricted discharge such as a fountain without damage to the pump.
  • Oil-filled designed to maximize heat dissipation
  • Pump is also known as Utility Pump 5 Series (5-MSP or 5-ASP)
  • Similar to item # 505005, 505300, 505350, 505400, 505486, 505000, 505025, and 505176
  • The pump is equiped with the extra low water shut off switch Model# RS-5LL Item# (599014)
  • CSA-US Rated (Alternative to the UL Mark)

5-ASP Instruction Manual
RS-5LL Instruction Manual

Mfg Part # 505355
Model # 5-ASP-LL
Brand Name Little Giant ®
Pump Type Automatic Hydroponic Circulation Pump
Pump Flow @ 1 FT 1200 GPH
Pump Flow @ 5 FT 1100 GPH
Pump Flow @ 10 FT 1000 GPH
Pump Flow @ 15 FT 840 GPH
Pump Flow @ 20 FT 520 GPH
Shut Off (Max Pump Height) 26.3 FT
Pump PSI Rating 11.4 PSI
Motor Size 1/6 HP
Watts 380 W
Max. Amps 6.4 A
Voltage / Hertz 115V / 60Hz
Cord Lenght 18 Ft with 3 Prong
Dischage Size 1" FNPT
Fitting Included Adaptor 1" MNPT x 3/4" GHT
Aprox Pump Dim 7.75" L x 4.13" W x 7.78" H
Limited Manufacturer Warranty 1 Year

Special Note:

When using 3/4” garden hose adaptor performance will be reduced approximately 15%. This pump does not deliver enough pressure to operate lawn sprinklers properly.


  • (1) 5ASP-LL - 1200 GPH Automatic Hydroponic Circulation Pump

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Little Giant - Automatic - Hydroponic Pump - 1200 GPH - 5ASP-LL - 505355