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Stainless steel utility pump with 1-1/2 inch discharge fitting

Dayton

Dayton 11C687 1/2 HP 115V Utility Pump No Switch

SKU CH-DH6K-DK0EG MPN 11C687

Plug-in 1/2 HP utility pump with stainless steel body and impeller delivers up to 83 gpm at 5 ft head and 35 ft maximum head

  • TypeDrain Components
  • ½ HP motor moves up to 83 GPM at 5 ft head
  • Stainless steel body and impeller resist corrosion long-term
  • 115 V plug-in design needs no hard-wiring
  • Automatic operation not included — manual control required
  • 35 ft maximum head handles deep sump pits

1/2 HP 115 V Utility Pump

The Dayton 11C687 is a plug-in utility pump rated at 1/2 HP for 120 V AC, 60 Hz single-phase operation. It draws 11.40 amps and uses a stainless-steel body, impeller and a Buna-N, ceramic and stainless-steel shaft seal. No switch is included, so the installer must provide separate level control.

Basement drainage and transfer duty

Suits contractors or facility managers who need a portable pump for dewatering sumps, pits or tanks where an external float or controller will be fitted. Not for buyers who want an automatic pump with a built-in switch, or installations that require heads above 35 ft or flow beyond 83 gpm at 5 ft of head.

1-1/2 inch male discharge connection

The pump outlet is a 1-1/2 inch male thread that determines hose or pipe compatibility. Flow rates fall from 83 gpm at 5 ft head to 31 gpm at 20 ft head, with a maximum shut-off head of 35 ft. The unit also requires a minimum 18 in sump diameter and 12 in water depth to operate correctly.

Highlights

  • ½ HP motor moves up to 83 GPM at 5 ft head
  • Stainless steel body and impeller resist corrosion long-term
  • 115 V plug-in design needs no hard-wiring
  • Automatic operation not included — manual control required
  • 35 ft maximum head handles deep sump pits

Specifications

TypeDrain Components
BrandDayton
Model11C687

Questions about this item

How do I install the 1/2 HP 115V utility pump and what step is often missed?

Connect the 1-1/2 inch M plug to a 120V AC 60 Hz outlet, ensure the sump pit is at least 18 inches in diameter with 12 inches minimum water depth, and verify the pump is fully submerged before powering on — many forget the water-depth requirement.

What maintenance or replacement will the pump need over time?

The Buna-N, ceramic and stainless-steel shaft seal is the primary wear item; inspect it periodically and replace if leakage appears around the motor shaft.

What limit appears first during continuous operation?

The 35 ft maximum head is the first hard limit — flow drops to 31 gpm at 20 ft and ceases beyond 35 ft, so sustained use at high head will hit that ceiling.

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