Laars MagnaTherm MGH1600 Installation And Operation Instructions Manual page 109

28 Flange, adjustable shutter
29 Nipple, 1-1/2" x close
30 Nipple, 3/8"x3"
MagnaTherm Boilers and Water Heaters
31 Tee, 3/8x3/8x3/8
32 Bushing, reducing, 3/8x1/8
33 Union
34 Nipple
35 Elbow
36 Nipple
13.2.9 Gas Train Assembly, Part Numbers (Models 3500 and 4000)
37 Nipple
Item # Description
1 Pressure switch, low gas
2 Pressure switch, high gas
3 Elbow, 45°, 2"
4 Nipple, 2"x14"
5 Union, 2"
6 Nipple, 2"x6"
7 Ball valve
8 Bushing, 2"x1-1/2"
9 Elbow, 90°, 1-1/2"
10 Nipple, 1-1/2"x2.5"
11 Flange, adjustable shutter
12 Washer, sealing
13 Adapter, 1/8 FNPT x 1/8 ISO Male
14 Nipple, 1/8 x close
15 Tee, 1/8"
16 Plug, 1/8"
17 Bushing, 1/4"x1/8"
18 Pipe, gas inlet
19 Elbow, 90°, 2"
20 Nipple, 2"x2"
21 Flange, 2"
22 Elbow, 90°, 1/8"
23 Tee, 3/8"
24 Bushing, 3/8"x1/8"
25 Nipple, 3/8"x2"
26 Ball valve, 3/8"
27 Pilot regulator
28 Compression fitting, 1/4" tube x 1/4NPT
29 Pilot tube
30 Valve, Gas, Dungs
31 Washer, Sealing,1/8 BSPP Fitting Dungs
32 Adapter, Fem to Male, 1/8 FNPT X 1/8 ISO
33 Valve, Manual, Brnz, 1/8 MNPTx1/8 FNPT
34 Adapter, 1/4" Barb
35 Pipe Plug, Malleable Iron, Black, 1/8 NPT
36 Fitting, Compression, Tube, Brass
Control Panel Assembly
Item # Description
1 DIN rail assembly
2 Low water cutoff
3 Bushing, 7/8 nylon, open
4 Relay, 24VAC, DPDT
5 Display, touch control
6 Bushing, 7/8 nylon, split
7 High limit, manual reset
8 High limit, auto reset
9 Plug, terminal block
10 Vari-Prime control (MGH)
11 Control panel sheet metal assembly
22 Control module, programmed
V2023200 V2022400
P0015500 N/A
P2090500 P2090500
P2090600 P2090600
P2090700 P2090700
P0030700 P0030700
P2077800 P2072800
P0008700 P0008700
NA P0015500
P2095900 P0021200
3500 4000
Part No. Part No.
R2004100 R2004100
R2004000 R2004000
P2090900 P2090900
P2091000 P2091000
P0030800 P0030800
P0021700 P0021700
R2011600 R2011600
P0001400 P0001400
P0009600 P0009600
P2906600
P2045300
V2022000 V2022000
S2123500 S2123500
P2089600 P2089600
P0011100 P0011100
P0027100 P0027100
70-236 70-236
P2032400 P2032400
40N6034 40N6034
P2091100 P2091100
P0021100 P0021100
V2021900 V2021900
P2008900 P2008900
P2090600 P2090600
P2090700 P2090700
P2089000 P2089000
V2022200 V2022200
V2022100 V2022100
P0004100 P0004100
40N6025 40N6025
V2022300 NAT
V2021200
V2021200 PROP
S2123500 S2123500
P2089600 P2089600
W2000300 W2000300
P2089300 P2089300
70-236 70-236
P2097200 P2097200
1600 2000
Part No. Part No.
30N7040 30N7040
RE2075100 RE2075100
E2074300 E2074300
E2327800 E2327800
E2339800 E2339800
S0064900 S0064900
E2217800 E2217800
E2217700 E2217700
E2346300 E2346300
30N7067 30N7067
30N7050 30N7050
V2022000 V2022000
P0019100 P0019100
P2090500 P2090500
P2090600 P2090600
P2090700 P2090700
N/A N/A
N/A N/A
P0008700 P0008700
P0021200 P0021200
P0021200 P0021200
2500 3000
Part No. Part No.
30N7040 30N7040
RE2075100 RE2075100
E2074300 E2074300
E2327800 E2327800
E2339800 E2339800
S0064900 S0064900
E2217800 E2217800
E2217700 E2217700
E2346300 E2346300
30N7067 30N7067
30N7050 30N7050
Page 105
3500 4000
Part No. Part No.
30N7040 30N7040
RE2075100 RE2075100
E2074300 E2074300
E2327800 E2327800
E2339800 E2339800
S0064900 S0064900
E2217800 E2217800
E2217700 E2217700
E2346300 E2346300
30N7067 30N7067
40N7050 40N7050