Nailor Electric Duct Heaters are self-contained heating units designed for installation in air handling systems.
Some heaters are an integral part of other equipment, some have been approved for direct attachment to other equipment such as heat pumps, fans and variable air volume terminals, while others are approved for use as complete heating units to be mounted in air ducts.
DHRR - Round
DHRS - Slip-in
DHRF - Flanged