Since this is an OEM Utica-Dunkirk boiler part

Thermal Management: High-temperature internal wiring increases service life in high-ambient boiler rooms

protecting the motor protector and internal windings

housing internal components to prevent the ingress of dust

Integrating this thermal expansion valve into your next service call ensures a proper seat and seal

Fasco A273 Motor R-134A Since this is an OEMThe Fasco A273 is a high performance draft inducer blower motor engineered specifically for high efficiency residential and industrial heating systems. Operating at 208 230V, this 1 8 HP motor delivers a consistent 3500 RPM, making it a critical component for maintaining proper combustion airflow in Trane and American Standard furnaces. This PSC (Permanent Split Capacitor) motor features a 3. 3 inch frame diameter with ball bearings for low friction