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23
Weil-McLain Ultra Oil NX
Burner Manual
Item Description
Part No.
1
Head/Air adjustment
mechanism assembly
52000U
2
Air guide
101101U
3
Gasket, mounting fl ange (not
shown)
32389
4
Air tube combination,
(Includes Screws, air tube
mounting #8 x 3/8)
Specify
4396
5
Blower wheel
2999U
6
Connector tube assembly, 11”
51127
7
Coupling
2454
8
Door, rear access
32119U
9
Electrode insulator kit
51811U
10
CleanCut Fuel Pump,
(Requires Mounting Screws ¼
-20 x 7/8”)
2184404U
4189
11a Gasket, igniter baseplate
51942U
11b Gasket, igniter baseplate hinge 51942U
11c Gasket, wiring
51942U
11d Gasket, rear access door
51942U
15
Igniter, electronic
51771U
16
Inlet air box
1010U
17
Inlet air louvers
1013U
19
Nozzle Line Electrode and Head
Assembly
Specify
20
PSC Motor,
(Requires Mounting screws ¼
-20 x 7/8”)
21805U
4189
21
Primary control
7505P
22
Retention head assembly,
6 -slot
51785U
23
Retention head assembly,
9 -slot
51815U
24
Splined nut
3666
25
Spring, igniter prop
32058U
26
Electrical box
5770
28
Cover, burner
32395U
29
Mounting plate, burner cover
32399U
30
Thumbscrews, cover mounting
21899U
31* Pressure Switch Kit, including
switch, (2) hoses & pressure
switch/cad cell lead
21985U
32* Outside air adapter w/Pressure
Port
52018U
33* Parts kit, Including (2) hoses &
pressure switch/cad cell lead
51988U
NX Outside Air Kit; includes
outside air adapter, vacuum
relief valve & intake air hood
51990U
Combustion Blanket (Requiredf
for 3, 4, and 5 section Direct
Vent Boilers.)
31489
* Denotes an optional part per burner specifi cation.
Section: Replacement Parts
Summary of Contents for UO-3 CV
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