121-381

This premium 0.045 orifice assembly is a critical precision component designed for high-performance HVAC and heating systems. Engineered for accuracy, this assembly regulates fluid or gas flow within draft inducer motors and combustion air blower systems, ensuring your furnace or cooling unit operates at peak efficiency. It is a vital replacement part for maintaining the proper fuel-to-air ratio or refrigerant flow, preventing system strain and ensuring safe exhaust ventilation. Whether you are servicing a venter motor, exhaust fan, or a complex combustion assembly, this durable orifice provides the exact metering required for reliable, long-term operation. Ideal for professional HVAC repairs and routine maintenance to restore optimal airflow and heating performance.
Type: Orifice Assembly / HVAC Component
Size: 0.045 inch
Dimensions: unknown × unknown × unknown
Application: Used in gas-fired furnaces, HVAC units, draft inducer assemblies, and combustion air blower systems for precise flow regulation.
Specifications: 0.045-inch aperture diameter, precision-machined for consistent flow rates, compatible with inducer and venter motor assemblies.