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9-ton capacity
If the valve fails to open despite receiving power
using OEM-spec gaskets is the only way to ensure the boiler pump flange maintains structural integrity under load
Key Benefits for Technicians Early Detection: Identifies bearing wear and metal fatigue through comprehensive wear metal analysis
Utica-Dunkirk 240009339 Sensor 321894-709 9-ton capacityThe Utica Dunkirk 240009339 Sensor is a critical OEM component for hydronic heating systems requiring high precision temperature monitoring. This 24 inch hot water sensor is a direct replacement part engineered specifically for L7221 and L7248 Aquastat controls. As a veteran grade boiler temperature sensor, it provides the low voltage resistance feedback necessary for the control board to manage ignition cycles and high limit safety protocols
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