Monessen 4" Uninsulated Flex Duct For Outside Air h20 Millivolt models include an on/off h39.875 1400R - RM2 - NG - TMI - G9T - F11 - TI 25 Installation Type Post Maximum BTU:290000 BTU/hr
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Description
Monessen 4" Uninsulated Flex Duct For Outside Air h20 Millivolt models include an on off h39.875 1400R RM2 NG TMI G9T F11 TI 25 Installation Type Post Maximum BTU:290000 BTU hr Millivolt models include an on off switch but will operate with Empire remote controls and thermostats To calculate the installed per length of 5″ 8″ DuraTech pipe