Ultra Boiler Manual

Part number 550-100-440/0122
131
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MAINTENANCE & SPECIFICATIONS
Replacement parts (continued)
Figure 132 Controls
Go to www.weil-mclain.com to locate WM Technologies distributors
Item
Description
Part Number
1 Ultra U-Control module 383-500-658
2 Transformer, 120V/24V 383-500-628
3 Display board assembly (includes plastic and display
screen)
383-500-756
4 On/off power switch 383-500-205
5 Flue temperature sensor replacement kit 383-500-600
6 System temperature sensors (2 required) 383-500-601
7 Outdoor temperature sensor 510-312-218
8 Display to U-Control wire harness (not shown) 383-500-633
9 Line voltage wire harness (male) (not shown) 383-500-639
10 Low voltage wire harness (male) (not shown) 383-500-640
11 120 volt, 3-wire receptacle (not shown) 383-500-638
12 Ultra U-Control module fuses (not shown)
F1 - 3-amp, fast-blow ATO (5 fuses)
F2 - 12-amp, fast-blow AG (5 fuses)
383-500-603
383-500-604
13 Jumper for low voltage terminal blocks, (5 jumpers)
(not shown)
383-500-641
14 Ultra U-Control terminal block kit, (includes 1 high
voltage terminal block, 6 low voltage terminal blocks, and
U-Control screwdriver) (not shown)
383-500-642
15 24V LWCO kit with quick connect harness (not shown) 511-100-005