Repair manual

GAS STEAM GENERATOR (BOILER) ASSEMBLY — 3 PROBE TYPE
250,000 BTU (5 BURNERS) & 300,000 BTU (6 BURNERS)
REFERENCE
NUMBER
PART
NUMBER
DESCRIPTION
1
43873
Boiler shell only. with legs. Studs. tend hole plate assembly, and top flue bracket
40297
Boiler shell
43873
above, also including two corrosion resistors, sight gauge, insulation panels. top flue
collector with insulation and cover plate, three probes and extensions with cover box
2
40421
Hand hole Plate Assembly including bar.
nut ana gasket
2A
43748
Hand hole plate only
3
07106
Hand hole gasket, flat
4x6
oval.
4
43942
Left side insulating panel assembly
5
43943
Right side insulating panel assembly
6
56321
Top flue collector.
7
40117
Top insulation baffle assembly (flat).
40118
Top insulation baffle assembly (with flange)
8
42361
Internal flue riser assembly.
9
40462
Probe with lock washer and screw
10
40455
Probe extension set
(3).
11
-
52350
Probe Cover.
12
43895
Corrosion resistor.
13
40445
Water gauge set with
glass
07108
Fiber washer
(2
Required).
23132
Gauge glass washer
(2
Required)
14
07302
Glass Only
—
6"
long.
15
43853
5
burner front baffle assembly
—
Natural Gas
43857
5
burner front baffle assembly
—
L.P. Gas.
16
43854
6
burner front baffle a
ssembly
—
Natural Gas
43858
6
burner front baffle assembly
—
L.P. Gas.
17
41367
5
burner rear burner support (after
7
-
76).
69954
5
burner rear burner support (before
7
-
76).
18
41368
6
burner rear burner support (after
7
-
76).
69955
6
burner rear
burner support (before
7
-
76).
19
19870
1/4" line strainer.
20
44095
1/2" water feed solenoid valve.
21
22102
1/4" check valve.
22
03276
1/4 ball valve
—
water supply shut off.
23
02499
Main gas burner.
24
15453
Main burner orifice
—
Natural Gas
15
450
Main burner orifice
—
L.P.
Gas
25
19632
Orifice Holder (after
7
-
76).
19631
Orifice Holder (before
7
-
76)
26
03277
Generator drain valve
—
ball type.
27
40903
Gas manifold assembly
—
5
burner (after
7
-
76).
40907
Gas manifold assembly
—
5
burner
(before
7
-
76).
28
40904
Gas manifold assembly
—
6
burner (after
7
-
76).
40908
Gas manifold assembly
—
6
burner (before
7
-
76).
29
43652
Pilot generator assembly with
02505
burner.
20411
thermocouple, and
52449
bracket
30
20411
Pilot thermocouple.
31
0
2505
Pilot burner
—
Natural Gas.
02523
Pilot burner
—
L.P.
Gas
-
32
52449
Pilot bracket.
33
22183
3/4 combination gas control valve
—
Natural Gas.
33A
22189
3/4" combination gas control valve
—
L.P.
Gas.
34
15460
Pilot burner orifice
—
Natural Gas.
15461
Pilot burner orifice
—
L.P.
Gas.
35
22122
3
/4 pressure reducing valve.
3
-
15
psi output (optional).
36
22130
Safety valve
—
8
psi.
22131
Safety valve
—
15
psi.
37
22140
Air Vent
38
19947
Pressure Switch.
39
03514
Low water cut
-
off relay.
115
volt.
(1
C1DO).
40
03504
Water control relay.
115
volt, (1D1DO).
41
07173
Steam pressure gauge, rear mount.
0
-
30
psi
42
19967
On
-
Off power switch.
115/220
volt,
3
PDT.
43
19968
Reset switch.
44
12161
Signal light,
115/220
volt.
45
19945
Float switch
with gasket
—
low water cut off (California only).
46
22104
1/4" solenoid valve
—
boiler condenser water supply.
47
19979
Thermal switch
—
boiler condenser.
48
22106
Valve, solenoid.
1/2" boiler auto blowdown.
115
volt (optional).
49
05263
Radiator E
ll.
3/4" union.