Index
Index
1
Warning
2
2.1
GWH 425 PN specifications (Technical data)
2.2
2.3
2.4
3
Installation instructions
3.1
3.2
Proper location for installing your heater
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
4
4.1
4.2
4.3
4.4
4.5
5
5.1
5.2
5.3
Pilot
5.4
5.5
5.6
6
6.1
Introduction
6.2
6.3
6.4
Pilot goes out during or after hot water use
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
Burners do not operate cleanly; yellow flames
7
8
8.1
Interior components
8.2
8.3
9
2
1
Warning
2
3
3
Warning: The heater must be isolated
4
from the gas supply piping system
4
during any pressure testing of that
5
system at test pressures equal to or
more than 0.5 psig.
6
6
Caution:
6
6
modifications not expressly approved
7
by the party responsible for compliance
8
could void the user's authority to
9
operate the equipment.
11
13
13
14
14
15
15
16
16
17
17
17
17
18
18
18
19
19
19
19
19
20
20
21
21
21
21
21
Fig. 1
22
23
24
24
25
26
27
Any
changes
or
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