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TABLE 3c : SUMMARY OF VERTICAL COAXIAL VENTING OPTIONS
VENT OPTION # 11 12 13
CLASSIFICATION USED IN THIS
MANUAL
VERTICAL
COAXIAL
DIRECT VENT
VERTICAL
COAXIAL
DIRECT VENT
VERTICAL
COAXIAL
DIRECT VENT
VENT PIPE STRUCTURE
PENETRATION
ROOF ROOF ROOF
AIR INTAKE PIPE STRUCTURE
PENETRATION
ROOF ROOF ROOF
VENT PIPE SIZE 3” 3” 4”
AIR INTAKE PIPE SIZE
(NON-COAXIAL SECTION)
4” 4” 4”
AIR INTAKE PIPE SIZE
(COAXIAL SECTION)
5”
5” 7”
MAXIMUM VENT
PIPE LENGTH
CWD060 - CWD138 47 FT
47 FT 47 FT
CWD165 27 FT 27 FT
CONSULT
FACTORY
CWD193 N.R. N.R.
CWD220 N.R. N.R.
CWD245 N.R. N.R.
MAXIMUM LENGTH
COAXIAL SECTION
30 FT OR AS
LIMITED BY MAX
VENT LENGTH,
WHICHEVER IS
LESS
AS LIMITED
BY MAX VENT
LENGTH
CONSULT
FACTORY
MAXIMUM
INTAKE PIPE
LENGTH
CWD060 - CWD138 52 FT 50 FT 50 FT
CWD165 32 FT 32 FT
CONSULT
FACTORY
CWD193 N.R. N.R.
CWD220 N.R. N.R.
CWD245 N.R. N.R.
EXHAUST TERMINAL
BY VENT
SYSTEM
MANUFAC-
TURER. SAME
DIAMETER AS
VENT SYSTEM.
SEE TABLE 4.
HEAT FAB
#SC03RC
HEAT FAB
#SC04RC
AIR INTAKE TERMINAL
SUPPLIED WITH
CROWN #500005
COAXIAL VENT
KIT
HEAT FAB
#SC03VT
HEAT FAB
#SC04VT
ADAPTOR FROM NON-COAXIAL
TO COAXIAL SECTIONS
5” “B” VENT
TEE + SUPPORT
SUPPLIED WITH
CROWN #500005
COAXIAL VENT
KIT
HEAT FAB
#SC03TAD4
HEAT FAB
#SC04TAD4
VENT MATERIAL
(NON-COAXIAL SECTION)
APPROVED
VENT SYSTEM
SHOWN IN
TABLE 4
HEAT FAB
SAF-T VENT
HEAT FAB
SAF-T VENT
VENT MATERIAL
(COAXIAL SECTION)
APPROVED
VENT SYSTEM
SHOWN IN
TABLE 4
HEAT FAB
SAF-T VENT SC
HEAT FAB
SAF-T VENT SC
AIR INTAKE MATERIAL
(NON-COAXIAL SECTION)
GALVANIZED OR PVC
AIR INTAKE MATERIAL
(COAXIAL SECTION)
5” TYPE “B”
VENT
HEAT FAB
SAF-T VENT SC
HEAT FAB
SAF-T VENT SC
“N.R” - Not recommended “N.A.” - Not applicable