The Myers WHR5-21C WHR Series Cast Iron Sewage Pump handles up to 2" solids matching the needs of heavy-duty residential and light commercial sewage applications. The cast iron body and recessed impeller allow for high flow transfer. Designed and manufactured by Pentair Myers, a well known and trusted brand in the industry. Please contact a member of our sales or service team for assistance in selecting the correct pump for your needs!

Specifications:

Pump Casing Material:  Cast Iron

Catalog Number:  21639D004

Switch Type:  Manual

Voltage:  230V

Motor:  1/2 HP, Single Phase

Impeller Material:  Cast Iron

Discharge:  2" NPT

Cord:  20'

Maximum Temperature:  140°F (60°C)

Manufacturer Information:

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.

Features:

• Non-Clog Design: Recessed impeller provides maximum efficiency and eliminates jamming between volute case. 
• Leak Detection: Optional leak probe senses water leakage past seal (dual seal motors only). 
• Cool Running: Durable, oil-filled motor for continuous bearing lubrication and maximum heat dissipation. 
• Powerful Starts: High-torque, permanent split capacitor (PSC) motor; no starting switches or relays to wear out. 
• Thermal Protection: Heat sensor overload protection with automatic reset when motor cools to a safe operating temperature. 
• High Capacity Handling: Passes full 2” solids.

WHR Series Specifications:

• Capacities: Up to 176 GPM
• Shut-Off Head: 33’ (10.1 m) 
• Solids Handling: 2” (50.8 mm) 
• Liquids Handling: Drain water and domestic sewage 
• Intermittent Liquid Temp.: Up to 140°F (60°C) 
• Motor/Electrical Data: 1/2 HP, 115V; 1Ø, 60Hz, permanent split capacitor type; 1/2, 3/4, 1 HP, 230V, 1Ø, 60 Hz, permanent split capacitor type; 208/230/460/575V, 3Ø, 60Hz 
• Acceptable pH Range: 5-9 
• Discharge NPT: 2”; 3” 
• Housing: Cast iron 
• Power Cord: WHR–SJOW/SJOW-A 20’, 16/3, 1Ø; 20’, 16/4, 3Ø; WHR-DS – 20’, 14/4, 1Ø; 20’, 14/3, 1Ø, L/D; 20’, 16/4, 3Ø, L/D 
• Impeller: Cast iron, vortex 
• Volute Case: Cast iron 
• Shaft Seal: Single type 21, carbon/ceramic, double tandem carbon/ceramic 
• Minimum Sump Diameter: Simplex: 24” (61 cm); Duplex: 30” (76 cm)

Applications:

• Residential
• Commercial sewage
• Domestic wastewater
• Septic systems