OEM Precision: Direct replacement for 3900-2014-000 ensures exact physical dimensions for fast installation

lowering energy consumption for the end-user

Using an authentic Trane blower wheel ensures your system operates at peak energy efficiency without the noise issues often associated with generic aftermarket alternatives

the tube should extend at least 2/3 across the duct width to ensure a proper air sample is captured

Utica-Dunkirk Z99 Control Refrigerant OEM Precision: Direct replacement forThe Utica Dunkirk Z99 Control (Main Control Relay Board) serves as the primary logic and distribution hub for specific gas fired boiler configurations. This OEM replacement part is engineered to manage critical sequencing, including circulator pump delays, inducer motor activation, and safety limit monitoring. For technicians troubleshooting intermittent ignition cycles or failure in the boiler control circuit, this board provides the necessary 24VAC