Installation Sheet
12 Rinnai Rack Installation
End Caps / ConnecƟons
End caps are to be field supplied and to be of the following materials:
• Cold water cap ‐ brass
• Hot water cap ‐ brass
• Gas cap ‐ black iron
Once flow direcon and gas supply side is determined the other (opposite) side of the manifold must be capped.
See the example below.
Leak check the capped ends of the manifolds.
COLD IN
HOT OUT
GAS IN
CAP
CAP
CAP
Replacement Parts
If any parts are replaced on the rack, they must be the same or equivalent. Refer to the parts and descripons
below.
Rinnai Part No. DescripƟon Length (L)
109000328 Water CSST 3/4" Branch Line
3/4" FNPT X 3/4" MNPT X 7.5"
7‐1/2"
109000329 Water CSST 3/4" Branch Line
3/4" FNPT X 3/4" MNPT X 11.25"
11‐1/4"
109000330 Water CSST 3/4" Branch Line
3/4" FNPT X 3/4" MNPT X 15"
15"
109000331 Water CSST 3/4" Branch Line
3/4" FNPT X 3/4" MNPT X 17.5"
17‐1/2"
109000327 Gas CSST 3/4" Branch Line
3/4" MNPT X 3/4" MNPT X 21"
21"
107000115 Water CSST 3/4" Branch Line
3/4" FNPT X 3/4" MNPT X 10"
10"