Reznor UDX75 409-Stainless Steel Power Vented Gas Unit Heater 115V/1, 2-Stage Gas Valve - Factory Installed panel Mason-Lite offers several damper options:

Mason-Lite offers several damper options: metal anchor plate/damper for masonry chimney

Ducted Passive Heat System Manual

First Stage

Model Number CRSHGL-P Catalog Number H8413  Finish Platinum Weight 5 Lbs

Reznor UDX75 409-Stainless Steel Power Vented Gas Unit Heater 115V/1, 2-Stage Gas Valve - Factory Installed panel Mason-Lite offers several damper options:Overview Reznor HVAC has 130 years of experience manufacturing a wide range of industry leading industrial and commercial HVAC products. Reznor built its reputation by providing reliable, high quality heating, ventilation and cooling systems. Since its founding in 1888, Reznor has remained at the forefront of HVAC technology. Reznor is a global leader thanks to its innovative, extended range of gas fired unit heaters, air handlers, condensers and