www.desatech.com113170-01E 19PARTS LIST125T MODELS: RH125AT, RHD125AT, RL125AT, M125AT, RE125AT,PKHD125T, TKU125T, UKU125T, RD125T170T MODELS: RH170AT, RHD170AT, RL170AT, M170AT, RE170AT,PKHD170T, TKU170T, UKU170T, RD170TThis list contains replaceable parts used in your heater. When ordering parts, be sure to provide thecorrect model and serial numbers (from the model plate), then the part number and description of thedesired part.KEY PARTNO. NUMBER DESCRIPTION QTY.1 107353-10 Upper Shell (Service Part Will Be Black) 12 108631-01 Screw, #10-16 x 1" 13 098512-71 Combustion Chamber (125T w/ HA1000) 1098512-77 Combustion Chamber (125T w/ HA1100) 1098512-73 Combustion Chamber (170T) 14 103154-05 Photocell Bracket 15 M10908-2 Screw, #6-32 x 3/8" 26 M16656-21 Photocell Assembly 17 (See Page 22) Burner Head Assembly 18 M11084-26 Screw, #10-16 x 3/8" 29 097293-01 Fan (125T) 1102042-01 Fan (170T) 110 (See Page 23) Pump and Motor Assembly 111 M50631 Rubber Bumper 212 101206-01 Motor Mounting Bracket 113 M11084-29 Screw, #10-16 x 3/4" 1114 108458-01 Rear Panel 115 NTC-4C Hex Lock Nut, 1/4-20 216 108460-01 Fan Guard 117 M27417 Drain Plug (Includes “o” Ring) 118 ** Shroud 119 M51345-12 Fuel Line (125T) 1M51345-09 Fuel Line (170T) 120 106896-01 Fuel Filter 121 M51151-02 Fuel Line Tube 122 M10990-3 Rubber Bushing 123 M50814-08 Airline (125T) 1M50814-03 Airline (170T) 124 107353-11 Lower Shell (Service Part Will Be Black) 125 M50104-06 Bushing 226 M50104-01 Bushing 127 M12461-51 Screw, #10-16 x 0.38" 128 108708-01 Clip Nut 1329 M10908-14 Screw, #8-32 x 1/4" 130 108088-12 Fuel Tank 131 097663-03 Fuel Cap/Gauge 132 108739-01 Filler Neck Screen 133 107994-01 Power Cord 134 097467-02 Button Plug 135 M9900-197 Wire Assembly, Green 136 (See Page 24/25) Control Cover Assembly 1** Not a field replaceable part.