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Dayton 3YU56 utility pump, black polypropylene body, 6 in diameter, 10 1/2 in tall, 1-1/4 in discharge, plug-in cord, no switch

Dayton

Dayton 3YU56 1/3 HP 1-1/4" Plug-In Utility Pump 120V AC No Switch

SKU CH-7JNA-RAW9K MPN 3YU56

Removes water at up to 41.7 gpm with a 1/3 HP motor and 25 ft maximum head

  • TypeDrain Components
  • 1/3 HP motor delivers 41.7 gpm at 5 ft head
  • 25 ft maximum head handles demanding drainage tasks
  • Polypropylene body resists corrosion for long service life
  • Carbon and ceramic shaft seal reduces wear and leaks
  • 115 V AC plug-in design allows quick, tool-free setup

Pump Purpose and User Fit

The Dayton 3YU56 is a 1/3 HP plug-in utility pump designed for residential drainage tasks. It suits homeowners who need to remove water from sump pits, window wells or flooded basements. The unit operates on standard 115V AC household power and draws 3.3 amps. It is not intended for continuous industrial dewatering or for handling liquids hotter than 104 degrees Fahrenheit.

Build Materials and Connection Implications

The pump body is moulded from polypropylene with a polyamide impeller and a carbon-ceramic shaft seal for corrosion resistance. A 1-1/4 inch male discharge outlet connects directly to common garden hose or pipe fittings. No float switch is included, so the pump runs whenever it is plugged in and must be manually unplugged or controlled by an external switch. The 6 inch body diameter requires a sump pit at least 18 inches wide for proper installation.

Flow Limits and Head Constraints

Maximum shut-off head is 25 feet; beyond this height the pump will not move water. At 5 feet of head it delivers 41.7 gallons per minute, falling to 31 gpm at 10 feet, 22.2 gpm at 15 feet and 12 gpm at 20 feet. Solids larger than 1/8 inch can clog the impeller, so the pump is unsuitable for sewage or debris-laden water. The manual operation mode demands user attention to prevent dry running or overflow.

Highlights

  • 1/3 HP motor delivers 41.7 gpm at 5 ft head
  • 25 ft maximum head handles demanding drainage tasks
  • Polypropylene body resists corrosion for long service life
  • Carbon and ceramic shaft seal reduces wear and leaks
  • 115 V AC plug-in design allows quick, tool-free setup

Specifications

TypeDrain Components
BrandDayton
Model3YU56

Questions about this item

What flow rate does the 115 V AC utility pump deliver at 5 ft of head?

The pump delivers 41.7 gpm at 5 ft of head, 31 gpm at 10 ft, 22.2 gpm at 15 ft, and 12 gpm at 20 ft, with a maximum head of 25 ft.

What discharge size and sump-pit diameter does the 1/3 HP pump require?

The pump has a 1-1/4 inch discharge and requires a minimum sump-pit diameter of 18 inches.

How is the plug-in pump installed since it includes no switch?

Connect the 1-1/4 inch discharge, place the pump in a pit at least 18 inches wide, and plug the 120 V cord into a GFCI outlet; the pump runs continuously until unplugged.

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