Sterlco 4100 Series Condensate Unit – 4128-GD (Duplex)

Part Number: 4128-GD-1ph Sterlco 4100 Series duplex condensate units offer long-term durability for high-temperature steam return lines. Ideal for continuous duty, these pumps are engineered with cast iron tanks and feature stainless steel shafts, bronze impellers, and a serviceable pump/motor design. Voltage: 1/60/115–208–230 Shipping Weight: 185 lb Discharge Connection: ¾″ NPT Cast iron tank and pump bracket SterlSeal ceramic seal for 200°F operation Applications: Steam condensate return systems, commercial HVAC, boiler rooms Manufacturer Reference | Download Spec Sheet (PDF) Voltage Selection Guide: 1/60/115–208–230 – Single-phase motor for light commercial applications. Compatible with standard building electrical service. 3/60/208–230–460 – Three-phase motor for larger systems or industrial settings. Requires three-phase power supply. Not sure what to choose? Contact our support team for guidance on voltage selection based on your facility. NOTE: We will contact you during o