DuraVent FasNSeal W2 12" 29-4C Stainless Steel Double Wall Insulated Wall Thimble With AVL Pipe volcanic-rock Click to See Installation Kit h39.875 1400R - RM2 - NG - TMI - G9T - F11 - TI 25 Installation Type Post Maximum BTU:290000 BTU/hr
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DuraVent FasNSeal W2 12" 29 4C Stainless Steel Double Wall Insulated Wall Thimble With AVL Pipe volcanic rock Click to See Installation Kit h39.875 1400R RM2 NG TMI G9T F11 TI 25 Installation Type Post Maximum BTU:290000 BTU hr Click to See Installation Kit Installation Kit for 500962A Series Click to See High Altitude Conversion Kits Williams Furnace 9A333 High Altitude Conversion Kit for 5009822 and 5009622A Manual Gas Shut off Valve