4. Internal Piping & Parts List
23
11
25
24
20
9
6
15
1
4
16
3
22
17
10
5
18
14
27
7
21
28
29
30
19
31
Note
: Pressure Relief Valve (#19) should be piped to a drain or to the floor as lose as
possible to a drain.
RIVA HEAT ONLY MANUAL - REV A
12
