Type E direct expansion coils are equipped with refrigerant distributors and suction gas headers correctly sized to provide uniform distribution and proper refrigerant velocities to all coil circuits. Thermal expansion valves are optional. Type E coils are dehydrated, charged with dry inert gas or refrigerant, and sealed. Standard coils have copper headers, return bends, and tubes with brass distributors, but special materials can be furnished upon request.
These are duct-mounted reheat coils are used in many general heating applications. Booster coils are provided with a variety of casing configurations as well, including fully flanged, slip and drive, or end plates only.