Grundfos 52722513 Pump 326058-757 and springs required for a

and springs required for a full internal overhaul

vibration-free fit with existing blower wheels

Direct Controller Integration: Designed for native compatibility with NXF4000 and PPC4000 controls

maintaining factory-specified airflow and quiet operation

significantly reducing duct noise and improving airflow management

Grundfos 52722513 Pump 326058-757 and springs required for aThe Grundfos 52722513, also known as the UPS26 99FC 230V CI, is a versatile 3 speed cast iron circulator pump designed for high head hydronic applications. This Super Brute model is engineered for closed loop heating systems, featuring a canned rotor design where the pump and motor form an integral unit without a shaft seal. With its internal flow check (IFC) and built in non return valve, contractors can eliminate external check valve installations,