The Lennox 10F33 (103893-03) Restrictor Assembly is a factory-authorized component engineered to regulate refrigerant flow within HVAC systems for optimal cooling and heating performance. Used in conjunction with distributor assemblies, this restrictor is critical in achieving the correct superheat and pressure drop across the evaporator coil.Technical Specifications:
- OEM Part Numbers: 10F33 / 103893-03
- Function: Fixed restrictor for refrigerant metering
- Application: Used in TXV bypass systems or fixed orifice systems
- Orifice Size: Precisely calibrated for specific tonnage (varies by system design)
- Material: Brass body with precision-drilled orifice
- System Compatibility: Designed for use in select Lennox residential and light commercial units
- Installation Location: Typically installed inside the distributor or liquid line
- Operating Pressure Range: Rated for standard R-410A or R-22 systems, depending on unit compatibility
- Replacement For: Compatible with systems originally equipped with restrictor part 103893-03
- Approvals: Meets Lennox manufacturing and performance standards