This website is intended to assist licensed professionals in the exercise of their professional judgement.

Features of UHD-Series Tubular Duct Furnaces

  • 82% efficiency with use of tubular heat exchangers and inshot burners.


  • Reliable ignition with direct spark ignition burners.


  • Installation and operation flexibility with rear or top air and flue connections (Models UHD(S) 75 - 125 only).


  • Helps reduce dirt build-up on burners and helps extend life of heat exchanger with separated combustion units.


  • Longer life and less maintenance with optional stainless steel heat exchangers.


  • Install downstream of refrigeration system with optional stainless steel heat exchangers and drain pan (Models UHD(S) 150-400 only).