| 3628 | TwinTemp Gas Solenoid LPG | Discontinued use p/n 3760 |
| 1076 | 3/8" LPG Modulating Gas Valve Assy. | $185.00 |
| 3722 | Modulating Valve Coil | $64.00 |
| 1411 | Spark Ignition Probe 2004 thru 7/2014 | Discontinued |
| 3328 | Spark Ignition Probe 8/1/2014 & Newer Model (new style) | $15.40 |
| 1412 | Wire, Ignition Cable (yellow) | $35.00 |
| 3309 | Ignition Wire (black) | $32.50 |
| 1437 | T-out Thermister (red wires) | $30.00 |
| 1495 | Thermistor Wiring Harness | $29.95 |
| 1749 | Bimetal ECO 1/8" NPT @ 220° F +/- 7 auto reset at 170° F | $24.00 |
| 1829 | DSI Wiring Harness | $18.50 |
| 3728 | Mid Thermistor assembly, models after 7/29/2014 | $49.50 |
| 3207 | Assembly T-Mid (yellow wire), prior to 7/29/2014 | $49.50 |
| 2028 | Relay, Omron | $12.00 |
| 2123 | Tempering Valve w/Flanges, all models prior to 3/2007 | Discontinued |
| 2162 | 200 deg. Bimetal tank Thermostat (Electric Elements) | Discontinued |
| 2248 | Electric Heating Element | $62.00 |
| 2271 | “C” Model TT Tank Assembly | Discontinued |
| 2451 | Power Vent Blower Motor Assy. Kit | Discontinued |
| 2464 | 15 Amp Circuit Breaker | Discontinued |
| 2558 | Room Thermostat / Wall Mount | Discontinued |
| 2559 | 190 deg. Bimetal tank Thermostat (Used thru 6/2009) | $58.00 |
| 2582 | Bleeder Valve | Discontinued |
| 2582 | Air Bleeder Vent | Discontinued |
| 2735 | Magnetic Drive Pump Brushless 12 VDC | Discontinued (Use Part Number 3650) |
| 2737 | Summer/Winter Ball Valve | $75.00 |
| 2748 | 1/2 Heater Hose Elbow | Discontinued |
| 2751 | On/Off switch TT2 & Jr. | $10.40 |
| 2838 | Low Profile Secondary Liquid to Air Heat Exchangers with Two Fans | $185.00 |
| 2932 | Heat Exchanger (Specify 'G', 'F' or 'C' Model) | Discontinued |
| 3388TT | Heat Exchanger TT2 & Jr. | Discontinued |
| 2940 | Pressure Switch, .1 WCI Vacuum | Discontinued (Use Part Number 3438) |
| 2942 | Complete Wire Harness for TT-2 | $195.00 |
| 2950 | 220 deg. Switch, High Limit, Manual Reset (used w/Electric element) | $75.00 |
| 2984 | 10vDC Blower Voltage Regulator | Discontinued |
| 3012 | Complete Wire Harness for TT-Junior | Discontinued |
| 1315 | Burner Assembly | Discontinued |
| 3033 | 7 psi Radiator Cap | $9.40 |
| 3121 | Liquid to Air Heat Exchanger with One Fan | $105.00 |
| 3122 | Liquid to Air Heat Exchanger with One Fan and Thermostat | $130.00 |
| 3128 | Tempering Valve (shark bite fittings ) | $295.00 |
| 3369 | DSI Board (note: units produced before 2016 specify adapter #3739) | Discontinued use p/n 3756 |
| 3227 | Pressure Relief Valve 3/4 npt set @ 30 psi | $56.00 |
| 3246 | Retro Fit "C" model pump kit | Discontinued |
| 3264 | 185 deg.Tank Thermostat Retrofit Kit includes Relay (replaces Part Number 2559) | $100.00 |
| 3328 | Electrode / Igniter (8/2014 and newer) | $15.40 |
| 3333 | Power Vent Blower Motor Assy. Kit includes Voltage Regulator | $345.00 |
| 3438 | Pressure Switch, .1 WCI Vacuum | $45.00 |
| 3471 | Tank Thermostat & Electric ele. Thermostat switch ECO 185 degree | $55.00 |
| 3471&3461 | 185 deg. Bimetal Tank Thermostat ECO Retro kit (replaces part number 2559) | $65.00 |
| 3497 | TwinTemp Jr. SS Tank Assy. Complete | $1,750.00 |
| 3499 | TwinTemp 2 SS Tank Assy. Complete | $2,075.00 |
| 3650 | Drive Pump, models after 6/2016 | $169.50 |
| 3722 | Modualting Valve Coil | $64.00 |
| 9098 | Micro Processor Software Chip | Discontinued |
| 1841-TT | Control Board & Microprocessor for TwinTemp | Discontinued use p/n 3743 |
| 2004&2005 | On/Off Switch w/Cover “C” Model TwinTemp | Discontinued |
| 2634 | 3 Way Valve for Hot and Cold Water Lines | $45.00 |
| 3760 | Solenoid Valve LPG | $110.00 |
| 3756 | DSI Ignition Board,incl adapt# 3739 | $165.00 |
| 3743 | Control Board | $285.00 |
| 3693TT | Heat Exchanger TT2 & JR | $325.00 |
