Rifled copper tubing, enhanced aluminum fins

Immersion-tested at 500 psi then nitrogen-pressurized and sealed

Left-hand refrigerant and plumbing connections

Liquid line Schrader valve for hiss-testing

Heavy Duty polypropylene drain pans

Condensate drain elbow and flexible drain tubing included

Downflow plate kit included

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