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Dayton 2 hp cast iron sprinkler pump with TEFC motor

Dayton

Dayton 5RWH0 Sprinkler Pump 2 hp 1Ph 120/208-240V AC

SKU CH-CWKA-E9SK2 MPN 5RWH0

A self-priming cast-iron sprinkler pump delivering 62 gpm at 10 psi and 147 ft maximum head, with single-phase 120/208-240 V operation

  • TypeDrain Components
  • Self-priming design simplifies start-up
  • 2 hp motor delivers up to 62 gpm at 10 psi
  • Cast iron housing resists corrosion for long service life
  • Single-phase 120/208-240V AC suits residential wiring
  • Maximum 25 ft suction lift handles deep water sources

Dayton 2 hp Sprinkler Pump

The Dayton 5RWH0 is a self-priming sprinkler pump rated at 2 hp for single-phase 120/208-240V AC operation. Its cast-iron housing and totally enclosed fan-cooled motor suit residential irrigation systems drawing from ponds, tanks or shallow wells. The unit connects to 1 1/2 in NPT intake and discharge piping. It is built for continuous duty in outdoor water-transfer applications.

Replaces smaller jet or centrifugal pumps

This pump replaces lower-horsepower jet or centrifugal models when a property needs higher flow at usable pressure. The jump is worth it when the suction lift approaches 25 ft or when the system must deliver 62 gpm at 10 psi and still maintain 45 gpm at 40 psi. It is not for installations that require flows above the published curve or pressures beyond 75 psi shut-off.

Single-phase voltage and suction limits

The motor only runs on single-phase 120/208-240V AC supply; three-phase power cannot be used. Maximum suction lift is capped at 25 ft, so deeper sources need a submersible alternative. Performance drops from 62 gpm at 10 psi to 45 gpm at 40 psi, and the 147 ft maximum head defines the practical elevation limit. The 1 1/2 in NPT ports fix the pipework size.

Highlights

  • Self-priming design simplifies start-up
  • 2 hp motor delivers up to 62 gpm at 10 psi
  • Cast iron housing resists corrosion for long service life
  • Single-phase 120/208-240V AC suits residential wiring
  • Maximum 25 ft suction lift handles deep water sources

Specifications

TypeDrain Components
BrandDayton
Model5RWH0

Questions about this item

What size NPT intake and discharge pipes does the 5RWH0 require?

Both the intake and discharge connections are 1 1/2 in NPT, so matching threaded pipe or fittings of that size are needed for installation.

How do you prime this self-priming pump correctly on first start-up?

Fill the pump casing completely with water through the priming port before energising the motor; running it dry will damage the seal and prevent priming.

When should the mechanical seal or impeller be inspected on a 2 hp cast-iron sprinkler pump?

Inspect the seal and impeller annually or whenever flow drops below the rated 62 gpm at 10 psi, as wear reduces head and pressure performance.

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