Sight Glass Assembly Tft-series Flame Rod Ignition Electrode, Dual (Includes P/N: 82774), gap = 3/16 to 1/4 inch EBM Blower RG130 Venturi Gasket, Cork Gas Valve VK8115V1341 B (Valve Only) Gas Valve Regulator Vent Upgrade Kit c/w Clamp (Includes P/N: 83134) Gas Valve to Venturi Screws & Seal Gas Valve Harness O-Ring, Gas Valve Inlet Gas Valve Inlet Adapter, 1/2 in. NPT, Straight Burner Plate Gasket Blower Gasket Venturi 003 NG-Venturi Insert Igniter Gasket, Graphite (Ignition Electrode / Flame Rod) Burner Plate Premix Burner Gasket Premix Burner Burner Plate Ceramic Disc Heat Exchanger ASME Sensor, Supply & Return Dual Pipe Coupling, Groove Joint, 1 in. Low Water Cut Off Pipe Coupling, Groove Joint, 1 in. Supply Pipe, SS, 1 in. Sensor, Supply & Return Dual Hose Clamp, 1-1/16 to 1-1/2� Condensate Drain Adapter Tube Return Pipe, SS 1 in. Low Water Cut Off Flame Rod Ignition Electrode, Dual (Includes P/N: 82774), gap = 3/16 to 1/4 inch Hose Clamp, 1-1/16 to 1-1/2� Sensor, Supply & Return Dual Premix Burner Return Pipe, SS 1 in. Supply Pipe, SS, 1 in. Condensate Drain Adapter Tube Pipe Coupling, Groove Joint, 1 in. Burner Plate Ceramic Disc Pipe Coupling, Groove Joint, 1 in. Heat Exchanger ASME Burner Plate Gasket Burner Plate EBM Blower RG130 Venturi Gasket, Cork Venturi 003 Gas Valve Harness Gas Valve VK8115V1341 B (Valve Only) Gas Valve Inlet Adapter, 1/2 in. NPT, Straight