As an authentic Utica-Dunkirk boiler part

Proper installation requires a compatible run capacitor to ensure optimal torque and thermal protection during continuous duty cycles

This unit requires a 208-230V

or low-pressure steam systems

Common issues include a ruptured internal diaphragm

Nordyne 903950D Coil Assembly 340155-7026 As an authentic Utica-Dunkirk boilerProfessional grade performance starts with a precise match, and the Nordyne 903950D Coil Assembly is the direct OEM replacement for specialized 1. 5 to 2 ton evaporator coil applications. Designed for seamless integration within Nortek Global HVAC systems, this uncased indoor coil features high efficiency aluminum fins bonded to durable copper tubing, ensuring optimal thermal transfer and long term reliability in demanding residential environments.