Exploded View 1, NTI Tx Exploded View 3, NTI Tx Go Back Blower/Venturi Assembly Blower/Venturi Assembly Venturi Gasket, Cork Venturi Gasket, Cork Gas Valve Gas Valve Gas Valve Adapter Gas Valve Adapter Gas Valve to Venturi Gasket Orifice Gas Valve Harness Gas Valve Harness Venturi Venturi Gas Valve to Venturi Gasket Gas Valve to Venturi Gasket and Screws Flue Outlet Adapter Flue Outlet Adapter Air Inlet Adapter Air Inlet Adapter Air Vent Grommet Air Vent Grommet No Part Number Available No Part Number Available Wall Mount Bracket, Top Wall Mount Bracket Wall Mount Bracket Wall Mount Bracket Heat Exchanger Support Rail Heat Exchanger Support Rail Heat Exchanger Support Rail Heat Exchanger Support Rail Air Inlet Assembly Air Inlet Assembly Heat Exchanger Support Front Clip Heat Exchanger Support Front Clip MJ Coupling MJ Coupling No Part Number Available No Part Number Available No Part Number Available No Part Number Available No Part Number Given Spark Ignition Transformer Spark Ignition Transformer Spark Igniter Wire Grommet, Diaphragm, 1/2 inch Plug, Dome, 7/8 in. Gas Line Grommet, 1/2 in. IPS Wall Mount Bracket, Bottom Wall Mount Bracket, Bottom No Part Number Given