The Lennox 12N25 (Part No. 103785-11) Fixed Orifice Distributor is a precision-engineered metering component used in residential and light commercial HVAC systems. Designed for use in fixed orifice refrigeration circuits, it ensures even refrigerant distribution across the evaporator coil, enhancing overall cooling performance and system efficiency. Key Specifications:
- Part Number: 12N25
- Manufacturer Number: 103785-11
- Component Type: Fixed Orifice Distributor
- Refrigerant Compatibility: R-22 / R-410A (verify per system)
- Orifice Style: Fixed (non-adjustable)
- Connection Type: Brazed fittings
- Material: High-strength brass and copper construction
- Compatible Systems: Select Lennox ZC/ZG and related models using fixed metering assemblies
- Operating Pressure: Rated for standard HVAC refrigerant pressures
- Function: Distributes refrigerant flow evenly into the evaporator coil circuits
- Installation Orientation: Inline with coil distributor tubing