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this solid-state kit is the designated replacement for many older Bard mechanical systems
Microchannel coils
Precise Feedback: The DC 0-10V feedback signal provides accurate valve positioning data for advanced BAS trending and troubleshooting
Durable Construction: Forged brass body prevents de-zincification and stands up to 400 psi static pressure environments
Grundfos 91584910 Flange Set 322838-752 this solid-state kit is theThe Grundfos 91584910 Flange Set is a heavy duty 2 inch NPT cast iron flange set designed for seamless integration with high capacity circulator pumps. This GF 53 flange connection kit is engineered specifically for compatibility with Grundfos UP, UPS, and MAGNA series pumps, providing a rigid, leak proof interface in hydronic heating and chilled water systems. As a veteran grade circulator pump flange kit, it handles the mechanical stresses of