Install Instructions

Figure 118 Controls and electrical components — EVG 70/110/155 (see Figure 121, page 137 for illustration)
Replacement parts (continued)
Go to www.weil-mclain.com to locate Weil-McLain distributors
Part number 550-100-191/0917
136
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gas-fired water boiler — 70/110/155 Boiler Manual
Item Name Description / contents Part Number
100
Flue temperature sensor & grommet One sensor & grommet 383-500-600
110
Grommet - Flue temperature sensor One grommet 590-318-011
120
Outdoor temperature sensor One sensor 510-312-218
130
System temperature sensor One sensor 383-500-601
140
Low water cut-off 511-100-005
150
Transformer 120V/24V 50 VA transformer 383-500-628
160
Display board assembly Includes circuit board and plastic housing 383-900-108
170
Control module assembly Control module and housing 381-330-037
180
Communication board One board 383-900-110
190
Wire harness — line voltage (not shown)
Wire harness (EVG 70) 591-392-047
Wire harness (EVG 110) 591-392-044
Wire harness (EVG 155) 591-392-043
200
Wire harness — low voltage (not shown)
Wire harness (EVG 70 ) 591-392-048
Wire harness (EVG 110) 591-392-045
Wire harness (EVG 155) 591-392-046
210
Wire harness — Low voltage communication board
(not shown)
Connects communication board to control module 591-392-004
220
Wire harness — Communication Ethernet
(not shown)
591-392-009
230
Ignition cable (not shown) Ignition cable 591-392-012
240
F1 - 3 amp, fast blow ato (5 fuses)
(not shown here — see Figure 93, page 108 )
Five Fuses 383-500-603
250
F2 - 12 amp, fast-blow ag (5 fuses)
(not shown here — see Figure 93, page 108 )
Five Fuses 383-500-604
260
Jumper for low voltage terminal blocks (not shown) Five Jumpers 383-500-641
270
Connector electrical control (not shown) Includes 8 connectors 383-900-111
280
Low voltage sealed wire grommet (not shown) Seals thermostat wire at entrance to cabinet 562-248-771
290
Communication board terminal block 512-050-248
300
Communication board standoffs Includes 4 stand offs 383-900-112