NTI 86335 Auto Air Vent, 1/2 in. NPT Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tft200, Tft201, Tft250, Tft

NTI 85642 Air Inlet Assembly, VM110, VM110P (post s/n 101324) VM110, VM110P (pre s/n 95975)

NTI 85537 NG - Venturi Insert VM153, VM153P, {(VM110, VM110P) - post s/n 101324}, FTV110, FTV110C, FTV150, FTV

NTI 85536 LP - Venturi Insert VM153, VM153P, {(VM110, VM110P) - post s/n 101324}, FTV150, FTV150C

NTI 85461 Venturi Housing (w/o Venturi Insert) Tft154, Tft201, VM153, VM153P, {(VM110, VM110P) - post s/n 1013

NTI 85460 Blower, NRG118?317 VM153, VM153P, {(VM110, VM110P) - post s/n 101324}, FTV110, FTV110C, FTV150, FTV1

NTI 85456 Burner Plate VM153, VM153P, Tft154

NTI 85455 Burner Plate Insulation & Gasket Tft154, VM153, VM153P

NTI 85453 Premix Burner VM153, VM153P, Tft154, Tft201

NTI 85451 Natural Gas to LP Conversion Instructions VM153, VM153P, {(VM110, VM110P) - post s/n 101324}, FTV150

NTI 85446-1 NG to LP Conversion Kit VM153, VM153P, {(VM110, VM110P) - post s/n 101324}, FTV150, FTV150C

NTI 85446 LP Conversion Decal VM153, VM153P, {(VM110, VM110P) - post s/n 101324}, FTV150, FTV150C

NTI 85387 Air Inlet Assembly Tft154, VM153, VM153P

NTI 85382 Clip, D22, Pump and Valve VM153, VM153P

NTI 85381 O-Ring, Pump and Valve VM153, VM153P

NTI 85343 Diverter Valve Assembly w/Stepper VM153, VM153P

NTI 85342 CHBL, VM153, VM153P Pump VM153, VM153P

NTI 85304 DHW Supply Pipe VM153, VM153P

NTI 85303 DHW Return VM153, VM153P

NTI 85295 Pressure & Temperature Gauge Lx150, Lx150E, Lx200, Lx300, Lx400, Lx500, Lx600, Lx700, Lx800, Tft60,

NTI 85294 Auto Air Vent - IWC Tx151C, Tx200C, VM110P, FTV110C, FTV150C, FTV190C

NTI 85273 Heat Exchanger Connector VM153, VM153P

NTI 85271 CH Return Pipe VM153, VM153P

NTI 85270 CH Supply Pipe VM153, VM153P

NTI 85269 RV20 To CHBL Pipe VM153, VM153P

NTI 85228 Heat Exchanger ASME VM153, VM153P, Tft154

NTI 85227 Heat Exchanger Outlet Pipe VM153, VM153P

NTI 85216 Heat Exchanger Inlet Pipe VM153, VM153P

NTI 85215 Tank HWS Pipe VM153P

NTI 85214 Indirect Fired Water Heater, High Performance (60L) VM153P

NTI 85213 Outlet Pipe to 3-Way Valve VM153, VM153P

NTI 85208 Flue Sensor Grommet VM110, VM110P, VM153, VM153P, Tft154, FTV110, FTV110C, FTV150, FTV150C, FTV190,

NTI 85206 Blower/Venturi Assembly, 532 (VM110, VM110P) (VM110, VM110P) - pre s/n 101324

NTI 85167 Circulator Inlet/Outlet Gasket, VM110 VM110, FTV110, FTV110C, FTV150, FTV150C, FTV190, FTV190C

NTI 85163 Blocked Condensate Drain / Blocked Vent Switch Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tft200,

NTI 85152 Air Inlet Assembly, VM110, VM110P (pre s/n 95975) VM110, VM110P (pre s/n 95975)

NTI 85139 Tank Sensor, VM110P, VM153P VM110P, VM153P

NTI 85133 Air Inlet Adapter, PP 3 in. Tft154, VM110, VM110P, VM153, VM153P, (Tx51, Tx81, Tx101, Tx151, Tx151C,

NTI 85132 Flue Outlet Adapter, PP 3 in. Tft154, VM110, VM110P, VM153, VM153P, (Tx51, Tx81, Tx101, Tx151, Tx151

NTI 85131 Flue Outlet Pipe, 80mm PP, Vmax VM110, VM110P, VM153, VM153P

NTI 85122 Indirect Water Heater (60L) VM110P VM110P

NTI 85120 Plug, 1/8 in. BSP VM110, VM110P

NTI 85119-1 Condensate Trap Kit (Tft s/n 15140 to 119299), (Vmax pre s/n 119088) Tft60, Tft85, Tft110, Tft154, T

NTI 85118 Supply Pipe, VM110 VM110

NTI 85117 Return Pipe, VM110 VM110

NTI 85116 Tee, Brass, 3/4 x 1/2 x 3/4 in., VM110P VM110P, VM153, VM153P, FTV110, FTV110C, FTV150, FTV150C, FTV

NTI 85114 Circulator, UPS15-58RU (VM110) VM110

NTI 85113 Circulator Check Valve, VM110 VM110

NTI 85111 IWC - Integrated Water Control, Grundfos (VM110P) VM110P

NTI 85110 Low Loss Header Pipe, VM110P, FTV Combi VM110P, FTV110C, FTV150C, FTV190C

NTI 85108 Gas Valve Adapter 1/2 in. NPT (c/w screws & O-ring) VM110, VM110P, VM153, VM153P, FTV110, FTV110C, F

NTI 85107 Condensate Trap Kit (Tft s/n 15140 to 119299), (Vmax pre s/n 119088) Tft60, Tft85, Tft110, Tft154, T

NTI 85100 Heat Exchanger Inlet Connector, VM110P VM110P

NTI 85099 VM110P Tank Coil HWS Pipe VM110P

NTI 85098 VM110P Tank Coil HWR Pipe VM110P

NTI 85097 Outlet Pipe, VM110P, 25mm VM110P

NTI 85096 Supply Pipe, VM110P VM110P

NTI 85095 Return Pipe, VM110P VM110P

NTI 84923 CH Fittings, combi block, 3/4npt (Tx Combi, FTV Combi & VM110P) Tx151C, Tx200C, VM110P, FTV110C, FTV

NTI 84921 Retaining Clips, Combi Block Inlet/Outlet (Tx Combi, FTV Combi, VM110P) Tx151C, Tx200C, VM110P, FTV1

NTI 84919 Gas Valve to Venturi Gasket Tx51, Tx81, Tx101, Tx151, Tx151C, VM110, VM110P, VM153P, VM153, Tft154,

NTI 84918 Fuse, LFT 3.15A, 250V (all Tx & Vmax models) Tx51, Tx81, Tx101, Tx151, Tx200, Tx151C, Tx200C, VM110,

NTI 84917 Circulator Cartridge, UPS15-78 (Tx Combi, FTV Combi, VM110P) Tx151C, Tx200C, VM110P, FTV110C, FTV150

NTI 84915 Diverter Valve Stepper Motor (Tx151C, Tx200C, VM110P) Tx151C, Tx200C, VM110P, FTV110C, FTV150C, FTV1

NTI 84867-4 NG to LP Conversion Kit, Tx151, Tx151C, VM110, VM110P Tx151, Tx151C, {(VM110, VM110P) - pre s/n 1013

NTI 84867 LP Conversion Decal (Tx51-151, Tx151C, VM110, VM110P) Tx51, Tx81, Tx101, Tx151, Tx151C, {(VM110, VM1

NTI 84803 Pressure Sensor Retaining Clip Tx51, Tx81, Tx101, Tx151, Tx151C, Tx200, Tx200C, VM110, VM110P, VM153

NTI 84795 LP Orifice, 5.05 (Tx151, Tx151C, VM110, VM110P) Tx151, Tx151C, {(VM110, VM110P) - pre s/n 101324}

NTI 84764-1 Display Assembly, 210LB (not for FTV models) Tx51, Tx81, Tx101, Tx151, Tx151C, Tx200, Tx200C, VM110,

NTI 84755 MJ Coupling, 1-1/2 x 1-1/4 (Tx51-151, Tx15iC, VM110, VM110P) Tx51, Tx81, Tx101, Tx151, Tx151C, VM110

NTI 84749 O-ring (large), Combi Block Inlet/Outlet, 4 x 17 (Tx Combi, FTV Combi, VM110P) Tx151C, Tx200C, VM110

NTI 84745 Inlet/Pressure Sensor (all Tx & Vmax models) Tx51, Tx81, Tx101, Tx151, Tx200, Tx151C, Tx200C, VM110,

NTI 84733 O-ring (small), Boiler Inlet/Outlet, 2.76 x 17.72 (Tx51 pre s/n 72000, VM110P) Tx51 (pre s/n 72000),

NTI 84732 Retaining Clip - Boiler Outlet/Inlet Pipe, 18mm (Tx51 - pre s/n 72000) Tx51 (pre s/n 72000), VM110P

NTI 84713 Gas Valve (Tx51-151, Vmax, FTV) Tx51, Tx81, Tx101, Tx151, Tx151C, VM110, VM110P, VM153, VM153P, FTV1

NTI 84569 Bottom Heat Exchanger Support Tft60-250, VM110, VM110P Tft60, Tft85, Tft110, Ttf154, Tft155, Tft175,

NTI 84568 Top Heat Exchanger Support Tft60-250, VM110, VM110P Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tf

NTI 84567 Wall Mount Bracket Top Tft300-399 Tft300, Tft340, Tft399, VM110P, VM153P

NTI 84548 Premix Burner Gasket Tft154-285 Tft154, Tft155, Tft175, Tft200, Tft201, Tft250, Tft285, VM153, VM153

NTI 84546 Sight Glass Assembly Tft & Vmax Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tft200, Tft201, Tft250

NTI 84545 Burner Plate Gasket Tft60-110, VM110, VM110P Tft60, Tft85, Tft110, VM110, VM110P

NTI 84544 Burner Plate Ceramic Disc Tft60-110, VM110, VM110P Tft60, Tft85, Tft110, VM110, VM110P

NTI 84543 Burner Plate Tft60-110, VM110, VM110P Tft60, Tft85, Tft110, VM110, VM110P

NTI 84542 Premix Burner Gasket, Tft60-110, VM110, VM110P Tft60, Tft85, Tft110, VM110, VM110P

NTI 84541 Premix Burner, Tft60-110, VM110, VM110P Tft60, Tft85, Tft110, VM110, VM110P

NTI 84479 Elbow, Brass, Street 90, 3/4 in. Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tft200, Tft201, Tft25

NTI 84476 Terminal, Barrier, Double Row, 8 Position VM110, VM110P, VM153, VM153P, FTV110, FTV110C, FTV150, FTV

NTI 84474 Auto Air Vent, 1/2 in. NPT Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tft200, Tft201, Tft250, Tft

NTI 84466 Tee, Brass, 1 x 1/2 x 1 in., VM110 VM110, Tft60-110 Tft60, Tft85, Tft110, Tft154

NTI 84463 Pipe Coupling, Groove Joint, 1 in., Tft60-154, Vmax Tft60, Tft85, Tft110, Tft154, VM110, VM110P, VM1

NTI 84453 Heat Exchanger ASME Tft60-110, VM110, VM110P Tft60, Tft85, Tft110, VM110, VM110P

NTI 84441 Blower Gasket Tft60-399, Vmax, FTV Tft60, Tft85, Tft110, Tft155, Tft154, Tft175, Tft200, Tft201, Tft

NTI 84423 Receptacle, 120VAC Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tft200, Tft201, Tft250, Tft285, Tft

NTI 84422 Rocker Power Switch (all Tx & Vmax models) Tx51, Tx81, Tx101, Tx151, Tx200, Tx151C, Tx200C, VM110, V

NTI 84419 Sensor, Supply & Return Dual Tft60-250, Vmax Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tft200, T

NTI 84214 Grommet, Diaphragm, 1/2 in. Ts80, Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, Tft200, Tft201, Tft2

NTI 84156 Temp. & Pressure Relief Valve, 150 PSI, 3/4 in., 100XL-8, VM110P VM110P, VM153P

NTI 84095 Plug, 7/8 in. Black Dome Lx500, Lx600, Lx700, Lx800, Tft60, Tft85, Tft110, Tft154, Tft155, Tft175, T

NTI 83991 CPVC Pipe 3 in., System 636, 5 in. Long Lx150, Lx150E, Lx200, M100(V), Tft60, Tft85, Tft110, Tft154,

NTI 83790 Cap, Brass 3/4 in. FPT VM110P, VM153P