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Always reference the specific wiring diagram for your model during field conversion
This specific configuration
Common Questions Is the MK-3121 compatible with older Barber Colman installations
it facilitates precise heat transfer between the burner assembly and the circulating air stream
Direct Cross-Reference: 100% compatible with UL-12-2986-A specifications for seamless drop-in replacement
Grundfos 52722514 Pump 321042-401 Always reference the specific wiringThe Grundfos 52722514 is a professional grade UPS43 44FC 115V CI 3SPD circulator pump engineered for high velocity hydronic systems. As a cast iron circulator pump, it excels in closed loop heating applications, including radiant flooring, baseboard heating, and fan coil units. The integrated 3 speed motor allows practitioners to fine tune performance to specific system head requirements, ranging from 0 to 14 feet, while maintaining a maximum flow of
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