Robert McFarland writes:
"Just a note to say thanks! Your website and service staff were quite helpful during my purchase and self installation... Your prices were great and your immediate delivery was a welcome relief compared to the frustration I felt when dealing with local heating and airconditioning companies."
All separated combustion units MUST BE equipped with both combustion air and exhaust piping to the outdoors. The unique concentric adapter assembly, required for UDAS heaters, allows for both combustion air and exhaust piping with only one horizontal or vertical penetration hole in the building.