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Part number 550-100-400/0119
131
Replacement parts (continued)
Figure 132 Controls
®
Series 4
gas-fired water boiler — Boiler Manual
Item
Description
Part
Number
Ultra U-Control module 383-500-658
Transformer, 120V/24V 383-500-628
Display board assembly (includes plastic and display screen) 383-500-756
On/off power switch 383-500-205
Flue temperature sensor replacement kit 383-500-600
System temperature sensors (2 required) 383-500-601
Outdoor temperature sensor 510-312-218
8
Display to U-Control wire harness (not shown) 383-500-633
Line voltage wire harness (male) (not shown) 383-500-639
Low voltage wire harness (male) (not shown) 383-500-640
120 volt, 3-wire receptacle (not shown) 383-500-638
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
Jumper for low voltage terminal blocks, (5 jumpers)
(not shown)
383-500-641
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
24V LWCO kit with quick connect harness (not shown) 511-100-005
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