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WIRING DIAGRAM
PARTS LIST
Motor
Motor Capacitor
75KT, 125KT &175KT Only
BLK
WHT
Circuit Board
123 4567
Cad Cell
WHT
BLUE
WHT
RED
GRN
GRN
RED
BLK
High Voltage
Electrode
Ignition Transformer
Thermostat
Circuit Breaker
3
2
1
BLUE
On/Off Switch
WHT
BLK
RED
GRN
Cord Set
AC Outlet
125KT,175KT Only
BLK
WHT
GRN
No Thermostat
50K Only
Ref.# Item # Item # Item # Item # Description Ref.# Item # Item # Item # Item # Description
50K 75KT 125KT 175KT 50K 75KT 125KT 175KT
1 M1036 M1036 M1036 M1036 Power Cord 39 ——— M2232 M2233 M2234 Comb. Chamber Cyl. Ass’y
2 M1676 M2213 M2214 M2214 Fuel Tank Assembly 41 M6993 M8736 M8736 M8736 Oil Fuel Cap
3 M1679 M2215 M2216 M1783 Radiation Shield Ass’y 43 M7339 M8737 M8738 M8738 Motor
4 M1688 M2217 M2218 M2219 Control Box Ass’y 44 M7790 M7790 M8739 M8739 Nozzle Adapter
5 M1682 M2258 M2259 M2259 Power Pac Ass’y 45 M7421 M8740 M6885 M6866 Fan
6 M1686 M4343 M4346 M4346 Fuel Tube 46 ——— ——— M6227 M6227 Snap Bushing
7 M1685 M8734 M1771 M1768 Grille Assembly 47 M1684 M2138 M2138 M2138 Igniter Assembly
8 —— M8779 M8780 M8780 Fuel Filter Ass’y 48 M7416 M8715 M8714 M8710 Fuel Air Aspir. Nozzle
9 M4011 M4011 M4011 M4011 Oil Cad Cell Bracket 49 M6223 M6223 M6223 M6223 Strain Relief Bushing
10 M3449 M3449 M3449 M3449 Motor Cord Sleeve 50 M1803 M1803 M2235 M2235 Electrode Assembly
11 M1050 M1075 M1125 M1175 Bottom Shell 51 M7429 M7429 M7429 M7429 Extrnl. Retaining Ring
12 M2050 M2075 M2125 M2175 Top Shell 53 M3487 M3487 M3487 M3487 Fuel Cap Gasket
13 M3704 4332 M4333 M4334 Motor Mounting Bracket 54 M6847 M6847 M8744 M8744 Hose Barb Adapter
14 M3705 M3705 M3818 M3705 Ignition Mounting Brkt. * M7094 M7094 ——— ——— Clip Hanle Mtg.
16 ——— M8788 M8735 M8735 Start Capacitor * M7095 M7095 ——— ——— Handle
17 M3725 M3725 M4345 M4345 Air Tube * M1683 M1683 M1683 M1683 Lead Wire Ass’y Green
18 M6225 M6225 M6225 M6225 Snap Bushing * —— M1040 M1040 M1040 Lead Wire Ass’y Black
19 M1796 M1796 M1797 M1798 High Limit Control * M7424 ——— ——— M6225 Snap Busing Nylon
20 M6831 M6831 M6831 M6831 Air Pump Rotor * —— M8745 M6862 M6862 Fuel Filter Bushing
22 M6833 M6833 M6833 M6833 Air Pump Cylinder 64 M6838 M6838 M6838 M6838 Screw, Tapping #9 x 1-
1
/
4
"
23 M6834 M6834 M6834 M6834 Nylon Air Pump Insert 65 M6908 M6908 M6908 M6908 Screw, Machine #10 x 1-
1
/
4
"
24 M6835 M6835 M6835 M6835 Air Pump Vane (4 ea.) 66 M6906 M6906 M6906 M6906 Screw, Machine #10 x
1
/
2
"
25 M3250 M3250 M3250 M3250 Outlet Housing 67 ——— M1942 M1942 M1942 Thermostat Knob
26 M3255 M3255 M3255 M3255 Inlet Housing * ——— M3441 M3441 M3441 Bracket Thermostat Mtg.
27 —— ——— M2257 M2257 Burner 68 ——— M1734 M1734 M1734 Thermostat Assembly
28 M3260 M3260 M3260 M3260 Gasket * —— M6070 M6070 6070 Clamp Loop
29 M3265 M3265 M3265 M3265 Adjusting Screw 69 —— M8785 M8785 M8785 ON/OFF Switch
30 M3270 M3270 M3270 M3270 Outlet Filter 70 ——— M8782 M8781 M8781 Pressure Gauge
31 M3275 M3275 M3275 M3275 Inlet Filter 71 ——— M8791 M8778 M8778 Fuel Gauge
32 —— —— —— —— —— 72 M3707 M4341 M4342 M4342 Access Panel
33 M6849 M6849 M6849 M6849 Nylon Pipe Plug 73 —— ——— M8783 M8783 Hose Barb Adaptor
34 M6850 M6850 M6850 M6850 Ball,. Pressure adj. * —— M8682 M8683 M8683 Logo, Mr. Heater
35 M6851 M6851 M6851 M6851 Spring, Pressure adj. * —— M8790 M8790 Adapter, T-hose barb
37 M6863 M6863 M6863 M6863 Oil Flame Control Ass’y * M4171 M4171 ——— ——— Nozzle mtg. plate
38 M6865 M6865 M6865 M6865 Cad Cell Flame Sensor * M3843 Electrode Mtg. Brkt.
* AC Recepticle
* Not shown in drawing
High-Limit
Switch
6
Enerco Group, Inc. | Kerosene Forced Air Heater Operating Instructions and Owner’s Manual