Carrier EA52PH073 Metering Device

The Carrier EA52PH073 Metering Device is a precision-engineered fixed orifice piston designed for accurate refrigerant flow control in residential and light commercial AC and heat pump systems. This Carrier OEM replacement part ensures consistent pressure drops across the evaporator coil, maintaining peak thermodynamic efficiency. Built from high-grade brass to resist corrosion and withstand high-pressure fluctuations, the EA52PH073 piston is critical for technicians performing repairs or system match-ups where precise refrigerant metering is required. For contractors, utilizing factory-specified metering devices is essential to prevent liquid slugging and ensure the compressor operates within design parameters. This component is compatible with a wide range of Carrier, Bryant, and Payne air handlers and cased coils, providing a reliable alternative to adjustable expansion valves in specific SEER-rated configurations. Proper installation of this flowrator piston ensures optimized heat transfer and system longevity in demanding environments.

• System Compatibility: Engineered specifically for Carrier family equipment to ensure exact flow rates.
• Durable Construction: High-tolerance brass machining prevents internal bypass and premature wear.
• Consistent Performance: Maintains the specific pressure differential required for efficient evaporation cycles.
• Simplified Maintenance: Fixed-bore design reduces points of failure compared to mechanical TXVs.

How do I verify the correct piston size for my evaporator coil?
Always reference the outdoor unit's rating plate or the manufacturer's balance chart. The Carrier EA52PH073 is sized to match specific BTU capacities and refrigerant types to prevent evaporator icing.

Can this metering device be used with both R-22 and R-410A systems?
Compatibility depends on the specific orifice diameter and system pressure requirements. Cross-reference the technical specifications of your manifold and coil to ensure the flow rate aligns with the refrigerant's properties.

Is the Teflon ring included with the EA52PH073?
This part number typically refers to the piston itself. Technicians should verify the condition of the existing seal or "shotgun" housing before completing the installation to ensure a leak-free fit.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.