Grundfos 519604 1-1/2 Inch Cast Iron Flange Set for GF15/26 Circulators

The Grundfos 519604 is a heavy-duty cast iron flange set designed specifically for use with Grundfos GF15 and GF26 series circulator pumps. This 1-1/2 inch flange connection set provides a secure, durable mounting interface for professional HVAC and hydronic heating system installations.

Key Features:

• 1-1/2 inch NPT connection size for standard pipe compatibility
• Cast iron construction for superior strength and longevity
• Engineered specifically for Grundfos GF15 and GF26 circulator models
• Includes matching pair of flanges for complete installation
• Facilitates easy pump removal and maintenance without draining system
• Professional-grade quality for commercial and residential applications

This flange set simplifies installation and future service work by allowing the circulator pump to be easily disconnected without disturbing the piping. The robust cast iron material withstands high temperatures and system pressures common in hydronic heating applications.