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Myers WHR5P-1, Part #21639D902, 1/2HP, 115V, 1 Phase, Sewage Pump with Piggy-Backed Mechanical Float Switch


SKU: 21639D902 Category:



The Myers® WHR series sewage pumps feature all cast iron construction to withstand the most extreme conditions. Available in single seal, and double seal models for additional protection against water leakage. The enclosed two-vane impeller provides high-efficiency pumping and will handle stringy, trashy 2″ solids without clogging. Designed for sewage and effluent and can be used for applications requiring high heads.

Key Features:

  • Power range meets many applications
  • Domestic wastewater and septic systems
  • Light commercial sewage
  • High-capacity fluid transfer
  • 1/2, 3/4 & 1 HP models
  • Durable motor for long-lasting performance
  • Oil-filled for cooler operation and constant bearing lubrication
  • Single-phase PSC motors eliminate starting switches
  • Recessed impeller increases bearing life
  • Thermal overload protection with automatic reset


Mfg. Number21639D902
Product TypeSewage pump
ApplicationDomestic Wastewater/Septic
Horsepower1/2 HP
Voltage115 Volts
Frequency60 Hz
Seal TypeSingle
Pump Housing MaterialCast iron
Impeller MaterialCast iron
Impeller TypeTwo vane; recessed
Maximum Solids Handling2″
Discharge Connection2″ NPT flanged 2 bolt vertical
Maximum Flow128 GPM
Maximum Head23 ft
Cord Length20 ft
Maximum Fluid Temperature140°F

For pump specifications and technical data, Myers WHR series.

Additional information

Weight76 lbs