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LIST OF REPLACEMENT PARTS
When ordering parts, be sure to provide the Model Number, ML Number, and Serial Number from the
data plate located on the left-front panel of the booster heater. NOTE: As continued product
improvement is a policy of the manufacturer, part numbers may change without notification. For the
latest part numbers, contact your Hobart-authorized service office.
NOTE: 57,000 BTU/Hr, 140,000 BTU/Hr & 235,000 BTU/Hr sizes apply to Natural Gas and Propane; 280,000 BTU/Hr
applies to Propane only; and 290,000 BTU/Hr applies to Natural Gas only — unless specified otherwise.
Insulation - Flue
PART No. NAME OF PART AMT
00 749072 PLATE-PLUG (57,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748680 PLATE-PLUG (140,000; 235,000; 280,000; & 290,000 BTU/Hr) . . . . . . . . . . . . . . . . . 1
00 749076 PLUG-COIL (INSULATION) (57,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748567 PLUG-COIL (INSULATION) (140,000; 235,000; 280,000 & 290,000 BTU/Hr) . . . . . . 1
00 749143 RETAINER-PLUG (57,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
00 748682 RETAINER-PLUG (140,000; 235,000; 280,000 & 290,000 BTU/Hr) . . . . . . . . . . . . . . 2
00 748551 RETAINING CLIP-INSULATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
00 548677 INSULATION-TAPE (LINEAR FEET) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
00 749065 CAP, EXHAUST (57,000 BTU/Hr). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748870 CAP, EXHAUST (140,000 ; 235,000; 280,000 & 290,000 BTU/Hr) . . . . . . . . . . . . . . . 1
00 749064 INSULATION, EXHAUST (57,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 749051 INSULATION, EXHAUST (140,000; 235,000; 280,000 & 290,000 BTU/Hr) . . . . . . . . 1
Components (Pump Side)
PART No. NAME OF PART AMT
00 749071 BURNER (57,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748560 BURNER (140,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748579 BURNER (235,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748560 BURNER (280,000 & 290,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 476846 BLOWER (57,000 & 140,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748561 BLOWER (235,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748584 BLOWER (280,000 & 290,000 BTU/Hr) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748583 00006 RESTRICTOR PLATE (57,000 BTU/Hr Propane) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748583 00005 RESTRICTOR PLATE (140,000 BTU/Hr Propane) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748583 00004 RESTRICTOR PLATE (57,000 BTU/Hr Natural) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748583 00003 RESTRICTOR PLATE (140,000 BTU/Hr Natural) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748583 00002 RESTRICTOR PLATE (235,000 BTU/Hr Natural + Propane) . . . . . . . . . . . . . . . . . . . . 1
00 748583 00001 RESTRICTOR PLATE (290,000 BTU/Hr Natural + 280,000 BTU/Hr Propane). . . . . . 1
00 749110 FITTING-ORIFICE (57,000 BTU/Hr Natural) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 749110 00002 FITTING-ORIFICE (57,000 BTU/Hr Propane) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748564 00006 FITTING-ORIFICE (140,000 BTU/Hr Propane) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748564 00005 FITTING-ORIFICE (235,000 BTU/Hr Propane) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748564 00004 FITTING-ORIFICE (280,000 BTU/Hr Propane) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748564 00003 FITTING-ORIFICE (140,000 BTU/Hr Natural) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748564 00002 FITTING-ORIFICE (235,000 BTU/Hr Natural) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748564 00001 FITTING-ORIFICE (290,000 BTU/Hr Natural) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
00 748863 VALVE-GAS BOOSTER (57,000 BTU/Hr Natural + Propane) . . . . . . . . . . . . . . . . . . . 1
00 748563 VALVE-GAS BOOSTER (140,000 & 235,000 BTU/Hr Natural + Propane) . . . . . . . . . 1
00 748588 VALVE-GAS BOOSTER (290,000 BTU/Hr Natural + 280,000 BTU/Hr Propane) . . . . 1
FP 089-27 FITTING-TUBE
5
/8 TBG x
3
/4 MPT STRAIGHT (140,000 & 235,000 BTU/Hr) . . . . . . . . . . . 1
00 748591 TUBE-GAS (140,000 & 235,000 BTU/Hr). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1