IKONIC Tankless Water Heater Service Manual
13
The vent exhaust and air intake shall terminate outside
as described in these instructions for direct vent applica-
tion. Combustion air requirements of room air applica-
tion shall follow “Room Air Application” in this Use and
Care Manual.
DO NOT vent this water heater through a chimney. It must
be vented separately from all other appliances.
NOTICE
The unit can be vented using only the following recom-
mended 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 ttings. All exhaust venting materials for product in-
stalled in Canada must meet ULC-S636. Acceptable ma-
terials 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 ttings 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 permit-
ted in Canada)
• Category III Stainless Steel (proper transition part re-
quired)
Approved Polypropylene Vent Manufacturer/Trade
Name:
InnoFlue® by Centrotherm
Single Wall Pipe: ISVL**** or ISVL****UV
Elbow: ISELS****ISELL**** or ISELL****UV
Adapter: ISAAL0202
Non-Return Valve (NRV): ISNRV****
Siphon: IASJBVS
Termination: ISLPT**** or ISTT****
(*Refers to variations in nominal size.)
DO NOT USE Schedule 20, Cell Core, Drain Pipe, Galvanized, Aluminum, or B-Vent.
GENERAL INFORMATION
SPECIFICATIONS AND INSTALLATION GUIDELINES
VENTING FOR WATER HEATER
VENT SYSTEM
DIAMETER
MIN. ALLOWED EQUIVALENT
VENT LENGTH
MAX. ALLOWED EQUIVALENT
VENT LENGTH
VENT SYSTEM
TERMINATION
Inches Feet Meters Feet Meters
2 1 0.3 70 21.3 90° Elbow
3
1
0.3 150 45.7 90° Elbow
A 90 elbow is equivalent to 6 ft.(1.83 m) of 2"diameter straight pipe, and to 5 ft.(1.52 m) of 3" diameter straight pipe.
A 45 elbow is equivalent to 3 ft. (0.9 m) of 2" diameter straight pipe, and to 2.5 ft. (0.75m) of 3" diameter straight pipe.
All exhaust vent materials for product installed in Canada must meet ULC-S636.
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