UTICA BOILERS UB90-50 Installation Manual page 70

Gas-fired, direct vent, condensing, hot water boiler
Table of Contents

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E. Mixer and Air Pressure Switch Assembly
19
13
4
12
11
10
14
To Sight Glass
Adapter
27
15
16
14
5
26
14
25
REPAIR PARTS
28
3
21
23
28
17
18
20
4
7
6
70
2
24
22
19
21
19
9
8
1
19
21

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Ub90-75Ub90-100

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