HVACopediaNTI · Boiler · Trinity Tft series
Tft 155-255 parts
56 replacement parts that fit the NTI Tft 155-255, with OEM part numbers, grouped by system.
Controls & boards
| Part | Part # | Qty | Size / rating |
|---|---|---|---|
| Switch, On-Off (Tft series w/ Touch Screen) Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 41, pp.82-86. | 84490 | 1 | |
| Switch, On-Off (Tft series w/ LCD Dot-Matrix Display) Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 41, pp.82-86. | 84422 | 1 | |
| Trinity Touch Screen Display Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 43, pp.82-86. | 83592 | 1 | |
| LCD Dot-Matrix Display Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 43, pp.82-86. | \- | 1 | |
| Transformer, 24V, 40VA Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 44, pp.82-86. | 83190 | 1 | |
| Controller, Tft series Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 45, pp.82-86. | 77777 | 1 | |
| Terminal, Barrier, 2 Row, 8 Position Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 46, pp.82-86. | 84420 | 1 | |
| Terminal, Barrier, 2 Row, 9 Position Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 47, pp.82-86. | 84421 | 1 | |
| Power Supply – Touch Screen (Tft series w/ Touch Screen Display) Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 51, pp.82-86. | 83592-1 | 1 | |
| Display Support, Galvanized (Tft series w/ Touch Screen Display) Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 86, pp.82-86. | 84586 | 1 | |
| Display Support, Galvanized (Tft series w/ LCD Dot-Matrix Display) Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 86, pp.82-86. | 84587 | 1 | |
| Display Cover (Tft series w/ Touch Screen Display) Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 87, pp.82-86. | 84588 | 1 | |
| Display Cover (Tft series w/ LCD Dot-Matrix Display) Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 87, pp.82-86. | 84589 | 1 |
Ignition & flame
| Part | Part # | Qty | Size / rating |
|---|---|---|---|
| Ignition Electrode, Dual – c/w gasket Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 11, pp.82-86. | 83870 | 1 | |
| Flame Rod Gasket Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 12, pp.82-86. | 82774 | 1 | |
| Flame Rod Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 21, pp.82-86. | 82762 | 1 | |
| Ignition Coil Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 39, pp.82-86. | 83707 | 1 | |
| Spark Igniter Wire, 12" Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 42, pp.82-86. | 83724 | 1 | |
| Spark Generator Support Bracket, Galvanized Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 85, pp.82-86. | 84585 | 1 |
Gas valve & orifices
| Part | Part # | Qty | Size / rating |
|---|---|---|---|
| Gas Valve Regulator Vent Adapter Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 13, pp.82-86. | 82600 | 1 | |
| Natural Gas to LP Conversion Instructions Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 64, pp.82-86. | 84492 | 1 | |
| Natural Gas to LP Conversion Instructions Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 64, pp.82-86. | 84501 | 1 | |
| Conversion Decal Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 65, pp.82-86. | 82782 | 1 | |
| Conversion Decal Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 65, pp.82-86. | 84483 | 1 |
Electrical
| Part | Part # | Qty | Size / rating |
|---|---|---|---|
| Flue Sensor Plug Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 28, pp.82-86. | 84637 | 1 | |
| Fuse, 2A, 32V, Plug Style Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 48, pp.82-86. | 83517 | 1 | |
| Fuse Holder, Panel Mount, 20 Amp at 250VAC Max Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 49, pp.82-86. | 84192 | 1 | |
| Fuse, 7A, 250VAC, Fast-Acting Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 50, pp.82-86. | 83837 | 1 | |
| Receptacle, 120VAC Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 52, pp.82-86. | 84423 | 1 |
Inducer & venting
| Part | Part # | Qty | Size / rating |
|---|---|---|---|
| Grommet, Diaphragm, ½” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 29, pp.82-86. | 84214 | 1 | |
| Dome Plug, 0.875” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 31, pp.82-86. | 84095 | 1 | |
| Plug, 12mm, Flue Adapter Test Port Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 32, pp.82-86. | 84497 | 1 |
Water / hydronic
| Part | Part # | Qty | Size / rating |
|---|---|---|---|
| Supply Pipe, SS, 1” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 18, pp.82-86. | 84454 | 1 | |
| Supply Pipe, SS, 1 ¼” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 18, pp.82-86. | 84457 | 1 | |
| Supply Pipe, SS, 1 ½” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 18, pp.82-86. | 84460 | 1 | |
| Return Pipe, SS, 1” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 19, pp.82-86. | 84455 | 1 | |
| Return Pipe, SS, 1 ¼” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 19, pp.82-86. | 84458 | 1 | |
| Return Pipe, SS, 1 ½” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 19, pp.82-86. | 84461 | 1 | |
| Low Water Cutoff Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 24, pp.82-86. | 84424 | 1 | |
| Sight Glass Assembly Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 25, pp.82-86. | 84546 | 1 | |
| Sensor, Flue, Dual Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 35, pp.82-86. | 83608 | 1 | |
| Snap Bushing, 1” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 40, pp.82-86. | 82250 | 1 | |
| Auto Air Vent, ½” NPT Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 54, pp.82-86. | 84474 | 1 | |
| Pressure Relief Valve, ASME, ¾” NPT, 30psi Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 55, pp.82-86. | 13701 | 1 | |
| Pressure Gauge, 0-30psi Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 56, pp.82-86. | 82148 | 1 | |
| Brass Elbow, 90, Street, ¾” Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 57, pp.82-86. | 84479 | 1 | |
| Outdoor Sensor, 10K Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 62, pp.82-86. | 81027-1 | 1 | |
| System Sensor, 10K Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 63, pp.82-86. | 84010 | 1 | |
| Condensate Trap Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 72, pp.82-86. | 82913 | 1 | |
| Top Heat Exchanger Support, Galvanized Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 76, pp.82-86. | 84568 | 1 | |
| Bottom Heat Exchanger Support, Galvanized Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 77, pp.82-86. | 84569 | 1 |
Cabinet & doors
| Part | Part # | Qty | Size / rating |
|---|---|---|---|
| Lower Wall Mount Bracket Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 71, pp.82-86. | 83955 | 1 | |
| Top Panel Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 73, pp.82-86. | 84561 | 1 | |
| Top Panel Access Cover Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 74, pp.82-86. | 84564 | 1 | |
| Control Panel Base, Galvanized Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 84, pp.82-86. | 84584 | 1 | |
| Control Panel Cover, Galvanized Replaces / alternate: NTI Trinity Tft60-399 Installation and Operation Manual (2012), Table 16-1 parts list, item 88, pp.82-86. | 84590 | 1 |
Same series
The Trinity Tft parts list shows every part for all 21 models side by side. Other models: Tft 110, Tft 155-250, Tft 300-399, Tft 60-110, Tft 60-250, Tft 60-399, Tft 60-85, Tft110, Tft154, Tft155, Tft175, Tft200, Tft201, Tft250, Tft285, Tft300, Tft340, Tft399, Tft60, Tft85.
Source: Included in Kit 82650-1 w/ Tft60-250. Part names are written by HVACopedia.
Part numbers are taken from the manufacturer’s published repair parts documents and are listed so you can identify the right part. Manufacturers replace and supersede numbers over time, so confirm the number with your distributor before you order, and use factory-authorized parts on equipment under warranty. Replacing gas, electrical and refrigerant parts is work for a licensed technician. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.