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As a lock-up style gas regulator
Built to meet stringent OEM specifications
ensuring proper clearance and electrode gap alignment
Always verify the specific pneumatic control sequence before swapping units
Carrier EA52PH073 Metering Device 321142-301 As a lock-up style gasThe 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
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