Rheem 64DV - Page 10

S V C 8 2 0 ( P ) P o c k e t M a n u a l P a g e 9
9
The vent exhaust and air intake must be vented outside as
described in the use and care manual. DO NOT vent this water
heater through a chimney. It must be vented seperately from all
other appliances.
NOTICE: The unit can be vented using only the following
recommended pipe material.
Use only 2 – or 3-inch diameter pipe. Refer to local codes for
restrictions on the use of PVC, CPVC, or ABS pipe and fittings. All
exhaust venting materials for product installed in Canada must
meet ULC-S636.
Acceptable materials or equivalent:
PVC (Schedule 40, ASTM D-1785
CPVC (Schedule 40, ASTM F-441)
ABS (Schedule 40, ASTM D-2661) (Not permitted in Canada)
The fittings other than the VENT TERMINAL should be equivalent
to the following:
PVC (Schedule 40, DMW, ASTM D-2665
CPVC (Schedule 40, DMW, ASTM F-438)
ABS (Schedule 40, DMW, ASTM D-2661) (Not permitted in
Canada)
Category III Stainless Steel
DO NOT USE Schedule 20, Cell Core, Drain Pipe, Galvanized,
Aluminum, or B-Vent.
Installation Guidelines for
HIGH-Efficiency ONLY:
Number of
90 Degree
Elbows
Maximum
Length of 2”
Straight Pipe
Maximum
Length of 3”
Straight Pipe
0 or 1
5 ft.
38’
2
3.5 ft.
36’ 6”
3
2.0 ft.
35’
4
Not available
33’ 6”
5
Not available
32’
Number of
90 Degree
Elbows
Maximum
Length of 2”
Straight Pipe
Maximum
Length of 3”
Straight Pipe
0 or 1
60’
150’
2
58’ 6”
148’6”
3
57’
147’
4
55’ 6”
145’ 6”
5
54’
144’