Tx I&O Manual │ Parts List
Heat Exchanger, ASME 4+1 (Tx101 – post s/n 72000)
Heat Exchanger, ASME 5+1 (Tx151 & Tx151C – pre s/n 72000)
Heat Exchanger, ASME 5+1 (Tx151 & Tx151C – post s/n 72000)
Heat Exchanger, ASME 7+2 (Tx200 & Tx200C)
Condensate Drain Tube, 17”, c/w retaining nut & gear clamps (all Tx models)
Brazed Plate Heat Exchanger (Tx151C & Tx200C)
Diverter Valve Stepper Motor (Tx151C & Tx200C)
Condensate Trap Assembly (all Tx models)
Deflector Insulation (all Tx models)
Burner Door Gasket, EPDM (all Tx models)
Burner Door Ceramic Insulation (all Tx models)
Grommet, Diaphragm, ½” (all Tx models)
Ionization Electrode, c/w gasket & cable (all Tx models)
MJ Coupling, 1-1/2 x 1-1/4 (Tx51-151 & Tx151C)
MJ Coupling, 1-1/2 (Tx200 & Tx200C)
2” Bird Screen (Tx51-151 & Tx151C)
Air Inlet Assembly (Tx51-151 & Tx151C)
Air Inlet Assembly (Tx200 & Tx200C)
Flue Outlet Adapter, PPS/PVC, c/w test plug (all Tx models)
Air Inlet Adapter, PPS/PVC (all Tx models)
Test Port Plug (all Tx models)
Wall Mount Bracket, Top (all Tx models)
Gas Line Grommet, ½” IPS (all Tx models)
Circulator Cartridge, UPS15-78 (Tx151C & Tx200C)
Thermal Fuse (all Tx models) – Contact NTI Tech Support before replacing
Air Vent Grommet, 1875 (all Tx models)
Wall Mount Bracket, Bottom (all Tx models)
Display Assembly, 210LB (all Tx models)
Spark Ignition Transformer (all Tx models – post s/n 72170)
Spark Igniter Wire (all Tx models – post s/n 72170)
Tee, Brass, 1 x 1 x 3/4" (Tx51-200)
Relief Valve Manifold (Tx151C & Tx200C – post s/n 72000)
Controller, 210MN (all Tx models)
Wiring Harness Complete (all Tx models)
Fuse, LFT 3.15A, 250V (all Tx models)
Control Panel Sheet Metal (all Tx models)
Outdoor Sensor, 10K (all Tx models)
Front Cover (all Tx models)
Right Side (Tx51-151 & Tx151C)
Right Side (Tx200 & Tx200C)
Left Side (Tx51-151 & Tx151C)
Left Side (Tx200 & Tx200C)
Heat Exchanger Support Rail, c/w screws (Tx51)
Heat Exchanger Support Rail, c/w screws (Tx81 ASME)