Description
The Copeland 049638 is a precision-engineered Thermal Expansion Valve (TXV) designed for reliable refrigerant metering in heat pump systems. Built to handle both R22 and R407C refrigerants at a 4-ton capacity, this valve delivers consistent superheat control and optimal system efficiency across a wide range of operating conditions.
Key Features
- Model: AAE 4 HCA 30IN 3/8 x 1/2 ODF S/T
- Refrigerant compatibility: R22 and R407C
- System capacity: 4 Ton
- Body style: Straight body configuration
- Connection type: Sweat (ODF) connections
- Inlet connection size: 3/8″ ODF
- Outlet connection size: 1/2″ ODF
- Capillary tube length: 30 inches
- Equalization type: Externally equalized for accurate superheat sensing
- Application: Heat pump charge service
Technical Specifications
- SKU: 049638
- Brand: Copeland
- Refrigerants: R22 / R407C
- Capacity: 4 Ton
- Inlet x Outlet: 3/8″ x 1/2″ Sweat (ODF)
- Capillary Tube: 30″ length
- Body Type: Straight
- Equalization: External
- Charge Type: Heat Pump
Application & Benefits
The externally equalized design of the Copeland 049638 TXV is ideal for heat pump systems where evaporator pressure drop is a factor, ensuring accurate superheat control regardless of coil pressure differential. The 30″ capillary tube provides installation flexibility, allowing the thermostatic bulb to be positioned precisely on the suction line for optimal sensing. Sweat (ODF) connections ensure leak-free, durable joints compatible with standard copper refrigerant piping. This valve is an excellent direct-replacement or new-installation choice for residential and light commercial heat pump applications using R22 or R407C refrigerant.
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