Specifications

Part number 550-100-090/0809
115
g a s -f i r e d w a t e r b o i l e r — Boiler Manual
MAINTENANCE & SPECIFICATIONS
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Replacement parts (continued)
ControlsFigure 119
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) 383-500-659
4
On/off power switch 383-500-205
5
Pressure/temperature gauge assembly (Includes temperature
and pressure sensor)
383-500-630
6
Flue temperature sensor replacement kit 383-500-600
7
System temperature sensors (2 required) 383-500-601
8
Outdoor temperature sensor 510-312-218
9
Display to U-Control wire harness (not shown) 383-500-633
10
Upper line voltage wire harness (male) (not shown) 383-500-634
11
Lower line voltage wire harness (female) (not shown) 383-500-635
12
Upper low voltage wire harness (male) (not shown) 383-500-636
13
Lower low voltage wire harness (female) (not shown) 383-500-637
14
120 volt, 3-wire receptacle (not shown) 383-500-638
15
Ultra U-Control module fuses (not shown)
F1 - 3-amp, fast-blow ATO (5 fuses)
F2 - 12-amp, slow-blow AG (5 fuses)
383-500-603
383-500-604
16
Jumper for low voltage terminal blocks, (5 jumpers)
(not shown)
383-500-641
17
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
18
24-V LWCO kit with quick connect harness (not shown) 511-100-005