Description
The Carrier EA660003 is an OEM thermostatic expansion valve (TXV) engineered for 5-ton residential and light commercial air conditioning and heat pump systems. Designed as a direct replacement for compatible Carrier equipment, this TXV precisely meters refrigerant flow into the evaporator coil, maintaining optimal superheat levels and maximizing system efficiency across a wide range of operating conditions.
A properly functioning TXV is critical to system performance — it prevents liquid refrigerant flood-back to the compressor while ensuring the evaporator coil is fully utilized. The Carrier EA660003 restores factory-specified refrigerant metering, helping technicians return systems to peak efficiency quickly and confidently.
Key Features
- OEM Carrier replacement TXV for 5-ton systems
- Precisely meters refrigerant flow to maintain optimal superheat
- Protects the compressor from liquid refrigerant flood-back
- Maximizes evaporator coil efficiency and system capacity
- Direct OEM replacement for compatible Carrier equipment
- Built to Carrier factory specifications for reliable, long-lasting performance
Application
- Compatible with select 5-ton Carrier air conditioning and heat pump systems
- Suitable for residential and light commercial HVAC applications
- Consult Carrier equipment documentation to confirm compatibility before installation
Why Choose an OEM TXV?
Using a genuine Carrier OEM expansion valve ensures the valve’s operating characteristics — including pressure ratings, bulb charge, and port sizing — match the original design specifications of your equipment. This eliminates guesswork during installation and helps maintain manufacturer warranty compliance where applicable.
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