Crown Boiler CWD138 - Manual (Page 12)

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TABLE 3a: SUMMARY OF HORIZONTAL VENTING OPTIONS
VENT OPTION # 1 2 3 4 5
CLASSIFICATION USED IN THIS
MANUAL HORIZONTAL
DIRECT VENT
HORIZONTAL
DIRECT VENT
(RESERVED
FOR FUTURE
USE)
HORIZONTAL
DIRECT
EXHAUST
HORIZONTAL
DIRECT
EXHAUST
ILLUSTRATED IN FIGURE 8a OR 8b 8a OR 8b 9 9
VENT PIPE STRUCTURE
PENETRATION
WALL WALL WALL WALL
AIR INTAKE PIPE STRUCTURE
PENETRATION
WALL WALL N.A. N.A.
VENT PIPE SIZE 3” 4” 3” 4”
AIR INTAKE PIPE SIZE 4” 4” N.A. N.A.
MAXIMUM VENT
PIPE LENGTH
CWD060 - CWD138 55 FT 55 FT 55 FT 55 FT
CWD165 35 FT 55 FT 35 FT 55 FT
CWD193 25 FT 55 FT 25 FT 55 FT
CWD220 15 FT 55 FT 15 FT 55 FT
CWD245 N.R. 55FT 10 FT 55 FT
MAXIMUM
INT
AKE PIPE
LENGTH
CWD060 - CWD138 60 FT 60 FT N.A. N.A.
CWD165 40 FT 60 FT N.A. N.A.
CWD193 30 FT 60 FT N.A. N.A.
CWD220 20 FT 60 FT N.A. N.A.
CWD245 N.R. 60 FT N.A. N.A.
EXHAUST TERMINAL
3” 90 ELBOW,
TEE, OR
CROWN
COAXIAL
TERMINAL
#50-003
4” 90 ELBOW,
TEE, OR
CROWN
COAXIAL
TERMINAL
#50-004
3” 90 ELBOW
OR TEE
4” 90 ELBOW
OR TEE
AIR INTAKE TERMINAL
4” 90 ELBOW
OR CROWN
COAXIAL
TERMINAL
#50-003
4” 90 ELBOW
OR CROWN
COAXIAL
TERMINAL
#50-004
N.A. N.A.
VENT MATERIAL APPROVED VENT SYSTEM SHOWN IN TABLE 4
AIR INTAKE MATERIAL GALVANIZED OR PVC N.A. N.A.
“N.R” - Not recommended “N.A.” - Not applicable