Description
The First Company CP81-70 is a precision-engineered orifice piston with a .070 orifice diameter, designed to provide accurate refrigerant metering in compatible First Company fan coil and air handler systems. Orifice pistons serve as fixed metering devices within the refrigerant circuit, regulating flow to the evaporator coil to ensure consistent and efficient system operation.
Key Features
- Orifice diameter: .070
- Designed for use with compatible First Company HVAC systems
- Functions as a fixed refrigerant metering device
- Helps maintain proper refrigerant flow and system efficiency
- OEM-quality replacement part for reliable performance
- Compact design for straightforward installation
Application
Orifice pistons are a common type of fixed expansion device used in split-system air conditioning and heat pump applications. The .070 orifice size is matched to specific system capacities and refrigerant types — always verify compatibility with your equipment model before installation. This part is ideal for HVAC technicians performing maintenance, repair, or refrigerant circuit servicing on First Company equipment.
Why Choose OEM Replacement Parts?
- Ensures correct orifice sizing for your specific system
- Maintains manufacturer-specified refrigerant flow rates
- Supports optimal system efficiency and equipment longevity
- Reduces the risk of underperformance caused by incorrect metering







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