The Autoterm P4942 is a Duct Flange, 90 mm for Autoterm Air 4D and Air 8D. Flange for connecting 90 mm duct at a bulkhead, plenum, or the heater outlet.
Confirm the model or size on your equipment before ordering; Rural Energy support can check it for you.
Rural Energy stocks Autoterm products and ships to dealers, contractors, and homeowners.