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When replacing a failed cell
Operating on a versatile 208-230/460V 3-phase electrical configuration
Lockouts typically occur because the refrigerant pressure has dropped below 23 PSI
Burners typically degrade due to moisture-induced oxidation
Utica-Dunkirk FE3980B890 Pump 318423-701 When replacing a failed cellThe 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
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