Utica-Dunkirk FE3980B890 Pump 320734-701 which is a common standard

which is a common standard for commercial 5HP 3-phase motors in rooftop equipment

How do I wire this for heating vs

Constructed with a durable brass valve body and a capillary sensing bulb

Cross-referencing your furnace model or checking for part HQ1004303TD will confirm compatibility

Robust Construction: Engineered to withstand high-temperature exhaust environments found in high-efficiency furnace cabinets

Utica-Dunkirk FE3980B890 Pump 320734-701 which is a common standardThe Utica Dunkirk FE3980B890 is a specialized 120V FX3 FP pump engineered for reliable fluid circulation within high efficiency hydronic systems. This OEM replacement component is designed specifically for compatibility with CCB150 and CHB Series boilers (including CHB100, CHB130, and CHB150 models), ensuring seamless integration with the system's control logic. As a critical circulator pump, it maintains the precise flow rates required for optimal