DTH(S)-2 SERIES TUBE HEATER PARTS

Common Components

Part Description Original
Part Number
Replacement
Part Number
Fan TP-55A TP-55A
Burner – Normally Open Air Switch TP-61B TP-264B
Exhaust – Normally Closed Air Switch TP-60C TP-60C
Radiant Sensor TP-64 TP-64
Glo-Bar TP-50 TP-50
Natural Gas Regulator TP-33 TP-33
LP Gas Regulator TP-33P TP-33P
Natural Gas Valve TP-36 TP-36NKIT
LP Gas Valve TP-36 TP-36PKIT
Burner Housing TP-42 TP-42
16″ Burner Tube TP-6A TP-6A
1st 10 Ft. Tube1 TP-8B TP-8D or TP-26B
10 Ft. Reflector Past 1st 10 Ft.3 TP-20A or TP-20C TP-20A or TP-20C
Downstream Reflector Section(s) (DTH only)2 TP-20B TP-20B

1Select the TP-8D for use with DTH Series, select the TP-26B for use with the DTHS Series.

2The first 10 Ft. section of reflector differs from the remaining 10 Ft. downstream sections of reflector (for the DTH Series model only.)  
   Use TP-20A for the first 10 Ft. Section of reflector and TP-20B for the remaining sections.

3Use TP-20C for DTHS Series models.

Pressure Switches

Switch 1** Switch 2**
DRP Part Number TP-264B TP-60C
Cross Reference Number (on unit) IS22010051F5166 FS6628-1172
Normal Setting Open Closed
Pressure Switch Tube Set TP-51A + TP-56C TP-AK3

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