Features:

• Rifled copper tubing, enhanced aluminum fins
• Immersion-tested at 500 psi, then nitrogen-pressurized and sealed
• Right-hand refrigerant and plumbing connections
• Externally mounted flowrater body with Schrader valve for hiss-testing
• Heavy duty plastic drain pans on most models
• AHRI certifiable with all brands of A/C and heat pump systems
• ETL listed for use with both R-22 and R-410a when proper metering device is used