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Navien Gas Water Heater Installation
33
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Venting:
CONCENTRIC VENT TERMINATION
1. Sidewall Installation
2. Roof Installtion
DIMENSION
"A"
"B"
"C"
"D"
38-7/8"
3"
4-1/2" 21-1/8"
COMBUSTION AIR
VENT
1" MINIMUM
VENT
COMBUSTION AIR
MAINTAIN 12" MIN. CLEARANCE
ABOVE HIGHEST ANTICIPATED
NOW LEVEL OR GRADE, WHICHEVER
IS GREATER.
COMBUSTION AIR
VENT
COMBUSTION AIR
VENT
MAINTAIN 12" MIN.
(18" MIN. FOR CANADA)
CLEARANCE ABOVE HIGHEST
ANTICIPATED SNOW LEVEL.
MAXIMUM OF 24" ABOVE ROOF.