Installing a mismatched TXV can lead to hunting or improper superheat

verify the flue configuration

ECM Technology: Transitions smoothly between speed taps to provide quiet operation and reduced amp draw compared to standard PSC motors

Using the incorrect diameter can lead to carbon monoxide production or pilot burner damage

first-time fix during service calls

Fasco D374 Motor 340155-7024 Installing a mismatched TXV canThe Fasco D374 Motor is a high performance, shaded pole 4. 4 inch diameter unit engineered for permanent installations in light duty air moving equipment. This 115V HVAC blower motor features a multi horsepower design, operating at either 1 8 HP or 1 20 HP to provide versatility for various attic exhaust fan and furnace applications. Running at a nominal 1500 RPM with 2 speed capabilities, it allows for precise airflow control. Built with a sleeve