81
BECKETT Nx OIL BURNER PART NOS. FOR MPO-IQ SERIES BOILERS
DIRECT VENT APPLICATIONS
NOTE: When ordering parts always give the serial and model numbers shown on the boiler and burner. Also
provide the name of the part(s) and part number as listed below.
Item
No.
Part Description
MPO-IQ147
MPO-IQ189
MPO-IQ231
Beckett Part Numbers
Complete Oil Burner (without Primary
Control)
BCB9403
BCB9404
BCB9405
1
Air Adjustment Mechanism Assembly
51794U
2
Air Guide
101101U
3
Heat Shield (where used/optional)
Specify
4
Air Tube Combination
NX70LB
NX90LD
Air Tube Mounting Screws #8 x 3/8"
4396
5
Blower Wheel
29994U
6
Connector Tube Assembly, 11"
51127
7
Coupling
2454
8
Rear Access Door
32119U
9
Electrodes Insulator Kit
51811U
10
Fuel Unit, Single Stage, A2EA6520N621L
2184404U
Fuel Unit, Two Stage
51975U
Mounting Screws 1/4 -20 x 7/8"
4189
11a
Gasket, Igniter Baseplate
51942U
11b
Gasket, Igniter Baseplate Hinge
11c
Gasket, Wiring
11d
Gasket, Rear Access Door
15
Igniter, Electronic
51771U
16
Inlet Air Box
1010U
18
Inlet Air Adapter, Outside Air Kit
1014U
19
Nozzle Line Electrode and Head Assembly
Specify
20
Motor
21805U
Mounting Screws 1/4 -20 x 7/8"
4189
21
Oil Primary (Safety Control)
Specify
22
Retention Head Assembly - 6 Slot
51785U
23
Retention Head Assembly - 9 Slot
51815U
24
Splined Nut
3666
25
Spring, Igniter Prop
32058PU
26
Wiring Box
5770
27
Low Firing Rate Baffle (If applicable)
32229U
28
Cover, Burner
51812U
29
Mounting Plate, Burner Cover
32103U
30
Thumbscrews, Cover Mounting
21899U
Not
Shown
Gasket, Flange
32087
Main Housing Assembly
51783
Nozzle Line Heater (If applicable)
51621
xIV. REPAIR PARTS (continued)
Summary of Contents for MPO - IQ
Page 6: ...6 Figure 1 MPO IQ84 Thru MPO IQ231 Water Boiler ...
Page 22: ...22 Figure 11 Boiler Removal from Skid III UNIT PAK BOILER ASSEMBLY TRIM CONTROLS continued ...
Page 42: ...42 Figure 28A Schematic Wiring Diagram VII ELECTRICAL continued ...
Page 43: ...43 Figure 28B Schematic Wiring Diagram Burner Options VII ELECTRICAL continued ...
Page 44: ...44 Figure 28C Ladder Diagram VII ELECTRICAL continued ...
Page 70: ...70 Bare Boiler Assembly XIV Repair Parts continued ...
Page 72: ...72 Jacket Assembly XIV Repair Parts continued ...
Page 74: ...74 MPO IQ84 Thru MPO IQ231 Water Boilers Trim and Controls XIV Repair Parts continued ...
Page 78: ...78 Beckett AFG Burner XIV Repair Parts continued ...
Page 80: ...80 Beckett NX Burner XIV Repair Parts continued ...
Page 92: ...92 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net ...