Go to www.weil-mclain.com to locate Weil-McLain distributors
Part number 550-100-131/0120
– 126 –
®
gas
-
fired
water
boiler
— 220/299/300/399
Boiler Manual
Item Name
Description / contents
Part Number
100
Flue temperature sensor
One sensor with gasket
383-500-600
110
Outdoor temperature sensor
One sensor
510-312-218
120
System temperature sensor
(2 required)
383-500-601
130
Low water cutoff
Low water cutoff
383-500-643
140
Transformer 120v/24v
50-60 Hertz transformer
511-802-011
150
Control assembly
Ignition control module
381-330-020
160
On/off power switch
20 Amp rated
511-624-645
170
Comm circuit board
383-900-089
180
Display board assembly
(Includes circuit board, communication cable and plastic housing)
383-900-078
190
Control tray
Plastic electrical enclosure (Includes gaskets and hardware)
383-900-079
200
Cover
(Includes gaskets and hardware)
383-900-029
220
Gasket - Control tray - kit
383-900-046
240
Inspection window plug
591-491-217
250
F1 - 3 amp 120VDC, fast blow ato
(not shown here — see Figure 97, page 103)
5 Fuses (used for boiler circulator)
383-900-081
260
F2 - 3 amp 32VDC, fast blow ato
(not shown here — see Figure 98, page 103)
5 Fuses (used for low voltage circuit)
383-500-603
270
F3 - 12 amp 250 Volt, fast-blow ag
(not shown here — see Figure 98, page 103)
5 Fuses (used for line voltage circuit)
383-500-604
280
Wire harness — High voltage
Wire harness (not shown)
591-392-007
290
Wire harness — Low voltage
Wire harness (not shown)
591-392-008
300
Wire harness — Communication Ethernet
Wire harness (not shown)
591-392-009
310
Wire harness — Low voltage Comm. board
Wire harness (not shown)
591-392-010
320
Wire harness — Blower
Wire harness (not shown)
591-392-011
330
Wire harness — Control/display comm.
Wire harness (not shown)
383-500-633
340
Wire harness — with receptacle and safety cap
Wire harness (not shown)
383-500-638
350
Ignition cable
Ignition cable (not shown)
591-392-012
360
Terminal block kit
Includes 1 high voltage terminal block, low voltage terminal
blocks and screwdriver (not shown)
383-900-083
370
Gasket - display support
590-318-107
380
Cover ground terminal kit
(not shown)
383-900-098
390
Gasket - flue temperature sensor
590-318-011
400
Circulator Evergreen 220/299/300
Circulator Evergreen 399
Taco Pump 0014
Taco Pump 0013
511-405-133
511-405-140
Figure 120
Controls & electrical components —
Evergreen
®
220/299/300/399
(see Figure 121, page 127 for illustration)
Replacement parts
(continued)