Utica-Dunkirk FE3980C380 Valve 326058-756 The Lennox 49K03 is the

The Lennox 49K03 is the base part number often referenced in service manuals

Common Questions Can the DTAV40E2 replace a mechanical Paragon 8145-20

Key Benefits High-Altitude Calibration: Specifically engineered for 5

significantly reducing mechanical failure points

Utica-Dunkirk FE3980C380 Valve 326058-756 The Lennox 49K03 is theThe Utica Dunkirk FE3980C380 3 Way Valve is a critical OEM component specifically engineered for CCB 150 heating units and high efficiency condensing boilers. As a veteran technician knows, maintaining precise hydronic flow control is essential for system longevity and peak thermal performance. This genuine Utica boiler replacement part functions as the primary diverter, ensuring seamless fluid distribution between the central heating circuit and