IKONIC Tankless Water Heater Service Manual
11
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 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 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 per-
mitted in Canada)
• Category III Stainless Steel
DO NOT USE Schedule 20, Cell Core, Drain Pipe, Galvanized, Aluminum, or B-Vent.
GENERAL INFORMATION
SPECIFICATIONS OF THE ICONIC AND INSTALLATION GUIDELINES
1.1.2 VENTING FOR DIRECT VENT 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.