Energy efficient, cost-saving radiant heaters

DX-2 (Mfg 09/00 – 05/03) Tube Heater Parts

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 DescriptionOriginal
Part Number

Replacement
Part Number

FanTP-55ATP-55A
Air Pressure SwitchSee
Pressure Switch
Chart Below
See
Pressure Switch
Chart Below
Circuit BoardSee Circuit Board
Chart Below
See Circuit Board
Chart Below
Wire HarnessTP-3523TP-352A
Ignition DeviceTP-50TP-50
50-100 MBH BurnerTP-200ATP-200A
125-200 MBH BurnerTP-201TP-201B
Natural Gas ValveTP-209TP-240
LP Gas ValveTP-209PTP-241
Indicator LightsTP-328TP-328
Flame RodTP-222TP-222
16″ TubeTP-202 or TP-980TP-380 or TP-980
Combustion Chamber1, 50-125 MBH (Aluminized Steel)TP-26ATP-26A
Combustion Chamber1, 150-200 MBH (Titanium Coated Steel)TP-26BTP-26B
Combustion Chamber1, 75-150 MBH (Stainless Steel)TP-26ETP-26E
Radiant TubesTP-26ATP-26A
Radiant Tubes (304 Stainless Steel)TP-26DTP-26D
10 Ft. Highly Polished Aluminum Reflector Section2TP-20CTP-20C
BaffleTP-65ITP-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)50-100125-150175200
Switch 13Part NumberTP-264BTP-264DTP-264DTP-264C
X-Ref., PPS10069-IS2-2551-2551-2552
Normal SettingOpenOpenOpenOpen
P. S. Tube SetTP-AK3TP-AK3TP-AK3TP-AK3
Switch 23Part NumberTP-260FTP-260FTP-260GTP-260G
X-Ref., PPS10070-IS2IS2-2554-2554
Normal SettingClosedClosedClosedClosed
P. S. Tube SetTP-AK4TP-AK4TP-AK4TP-AK4

3 Pressure switch #1 is electrically first in series, and pressure switch #2 is second in series.

CIRCUIT BOARDSMfg. 08/01/99 – 09/18/00Mfg. 09/18/00 – Present
Original Circuit BoardTP-78ATP-351A
Cross Reference Number (on unit)Mark 17X-117Mark 17DU-117
Wiring HarnessTP-3524TP-352A
Replacement BoardTP-351A4TP-351A
Adaptor4TP-3904N/A

4 Use TP-390 adaptor to attach replacement board TP-351A to original harness TP-352.