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Compact brass centrifugal pump with 36V motor

Dayton

Dayton 5PXW9 1/8 HP Centrifugal Pump 36V Brass

SKU CH-YXDJ-1JEH5 MPN 5PXW9

A 36 V DC brass centrifugal pump delivering up to 13 gpm at 17 ft head for marine drainage

  • TypeDrain Components
  • Brass housing resists corrosion in marine environments
  • 1/8 hp motor delivers up to 13 gpm flow rate
  • 36 V DC power suits low-voltage marine systems
  • Totally enclosed motor protects against moisture and debris
  • Carbon, ceramic and Viton seal handles demanding conditions

Marine Centrifugal Pump 36V DC Brass

This Dayton 5PXW9 is a marine centrifugal pump built with a brass housing and a 1/8 hp motor running on 36V DC. It suits boat owners and marine technicians who need reliable fluid transfer for bilge, livewell or wash-down duties where corrosion resistance matters. The totally enclosed motor and carbon-ceramic-Viton seal are designed for continuous wet environments.

Upgrade From Lower-Head Pumps

The jump is worth it when the discharge run requires up to 17 ft of head, because this unit still delivers 4 gpm at 15 ft and 8 gpm at 10 ft. At 5 ft of head the flow reaches 11 gpm, while the maximum free-flow rate is 13 gpm. Installations with short, low-lift runs will not see the benefit of the higher head capability.

Installation Notes

The pump accepts 3/4 in NPT fittings on both intake and discharge, so standard marine hose barb or threaded adapters thread directly into the ports. Ensure the 36V DC supply matches the nameplate voltage and that wiring is secured against vibration. A common issue is debris entering the inlet; fit a strainer to protect the impeller and seal.

Highlights

  • Brass housing resists corrosion in marine environments
  • 1/8 hp motor delivers up to 13 gpm flow rate
  • 36 V DC power suits low-voltage marine systems
  • Totally enclosed motor protects against moisture and debris
  • Carbon, ceramic and Viton seal handles demanding conditions

Specifications

TypeDrain Components
BrandDayton
Model5PXW9

Questions about this item

What pipe size does the 3/4 inch NPT intake and discharge require?

The pump uses 3/4 inch NPT threads on both intake and discharge ports, so matching 3/4 inch NPT pipe fittings are needed for a proper seal.

How is the 36V DC motor wired during installation?

Connect the motor leads to a 36V DC power source observing correct polarity; the totally enclosed motor housing does not require separate grounding straps.

When should the carbon, ceramic and Viton seal be inspected or replaced?

Inspect the mechanical seal annually or if flow drops below the 11 gpm at 5 ft head rating, as wear on the carbon, ceramic and Viton faces reduces sealing efficiency.

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