DX-2 (Mfg 09/00 – 05/03) Tube Heater Parts
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| DX-2 Series |
*By selecting the Data Reference link(s) above you acknowledge that it links to an out-of-production installation, operation manual from the time of a particular heater manufacture. Refer to current day production installation, operation manuals for current day installation requirements.
DX-2 Series
| COMMON COMPONENTS | ||
| Part Description | Original Part Number | Replacement |
| Fan | TP-55A | TP-55A |
| Air Pressure Switch | See Pressure Switch Chart Below | See Pressure Switch Chart Below |
| Circuit Board | See Circuit Board Chart Below | See Circuit Board Chart Below |
| Wire Harness | TP-3523 | TP-352A |
| Ignition Device | TP-50 | TP-50A |
| 50-100 MBH Burner | TP-200A | |
| 125-200 MBH Burner | TP-201 | |
| Natural Gas Valve | TP-209 | TP-240 |
| LP Gas Valve | TP-209P | TP-241 |
| Indicator Lights | TP-328 | TP-328 |
| Flame Rod | TP-222 | TP-222 |
| 16″ Tube | TP-202 or TP-980 | TP-380 or TP-980 |
| Combustion Chamber1, 50-125 MBH (Aluminized Steel) | TP-26A | TP-26A |
| Combustion Chamber1, 150-200 MBH (Titanium Coated Steel) | TP-26B | TP-26B |
| Combustion Chamber1, 75-150 MBH (Stainless Steel) | TP-26E | TP-26E |
| Radiant Tubes | TP-26A | TP-26A |
| Radiant Tubes (304 Stainless Steel) | TP-26D | TP-26D |
| 10 Ft. Highly Polished Aluminum Reflector Section2 | TP-20C | TP-20C |
| Baffle | TP-65I | TP-65I |
1 Refers to the first 10′ section of tubing downstream of burner.
2 Models with stainless steel upgrades require TP-20D 10 Ft. Reflector Sections.
| PRESSURE SWITCHES | |||||
| BTU/H Range (x1000) | 50-100 | 125-150 | 175 | 200 | |
| Switch 13 | Part Number | TP-264B | TP-264D | TP-264D | TP-264C |
| X-Ref., PPS10069- | IS2 | -2551 | -2551 | -2552 | |
| Normal Setting | Open | Open | Open | Open | |
| P. S. Tube Set | TP-AK3 | TP-AK3 | TP-AK3 | TP-AK3 | |
| Switch 23 | Part Number | TP-260F | TP-260F | TP-260G | TP-260G |
| X-Ref., PPS10070- | IS2 | IS2 | -2554 | -2554 | |
| Normal Setting | Closed | Closed | Closed | Closed | |
| P. S. Tube Set | TP-AK4 | TP-AK4 | TP-AK4 | TP-AK4 | |
3 Pressure switch #1 is electrically first in series, and pressure switch #2 is second in series.
| CIRCUIT BOARDS | Mfg. 08/01/99 – 09/18/00 | Mfg. 09/18/00 – Present |
| Original Circuit Board | TP-78A | TP-351A |
| Cross Reference Number (on unit) | Mark 17X-117 | Mark 17DU-117 |
| Wiring Harness | TP-3524 | TP-352A |
| Replacement Board | TP-351A4 | TP-351A |
| Adaptor4 | TP-3904 | N/A |
4 Use TP-390 adaptor to attach replacement board TP-351A to original harness TP-352.