28
FIGURE 5-25 - Flue Terminal Location
All vent pipe and combustion air pipe and fittings shall comply with the following:
Use only manufacturer approved venting materials or venting materials primer and glue approved to: ULC S636 in
Canada, or UL 1738 in the U.S.
Materials used in the U.S. shall comply with Authority having jurisdiction and in absence of such with: ANSI/ASTM
D1785, ANSI/ASTM F441, ANSI/ASTM F493.
INSIDE CORNER
DETAIL
G
V
H
D
A
E
B
L
C
B
V
B
Fixed
Closed
V
I
V
F
V
Fixed
Closed
Operable
Operable
M
V
B
V
K
J
B
V
VENT TERMINAL
AIR SUPPLY INLET
AREA WHERE TERMINAL IS
NOT PERMITTED
Vent Termination Minimum Clearances
US Installations
Canadian Installations
A
Clearance above grade, veranda, porch, deck, or balcony
12" (305 mm)
12" (305 mm)
B
Clearance to window or door that may be opened
12" (305 mm)
3 ft. (0.9 m)
C
Clearance to permanently closed window
*12" (305 mm)
*12" (305 mm)
D
Vertical Clearance to ventilated soffit located above the terminal within a
horizontal distance of 2 feet (610 mm) from the center line of the terminal
18" (457 mm)
18" (457 mm)
E
Clearance to unventilated soffit
18" (457 mm)
18" (457 mm)
F
Clearance to outside corner
9" (229 mm)
9" (229 mm)
G
Clearance to inside corner
36" (456 mm)
36" (456 mm)
H
Clearance to each side of center line extended above meter/
regulator assembly
3 ft. (0.9 m) within a height
of 15 ft. (4.5 m) above the
meter/ regulator assembly
3 ft. (0.9 m)
I
Clearance to service regulator vent outlet
3 ft. (0.9 m)
3 ft. (0.9 m)
J
Clearance to non-mechanical air supply inlet to building or the
combustion air inlet to any other appliance
12" (305 mm)
3 ft. (0.9 m)
K
Clearance to mechanical air supply inlet
*3 ft. (0.9 m)
6 ft. (1.8 m)
L
Clearance above paved sidewalk or paved driveway located on
public property
*7 ft. (2.1 m)
7 ft. (2.1 m) †
† A vent shall not terminate directly above a sidewalk or paved driveway that is
located between two single family dwellings and serves both dwellings.
*For clearances not specified in ANSI Z223.1/NFPA 54 or
CSA B149.1, clearance will be in accordance with local
installation codes and the requirements of the gas supplier
and these installation instructions.
Note:
Local Codes or Regulations may require different clearances. Flue terminal must be exposed to external air and
position must allow the free passage of air across it at all times. In certain weather conditions the terminal may emit a
plume of steam. Avoid positioning terminal where this may cause a nuisance.
5 - COMBUSTION AIR AND VENT PIPING
240013371 REV B, [10/01/2021]
Summary of Contents for MACF-115
Page 2: ...MACF 150 ...
Page 4: ...MAHF 125 ...
Page 74: ...70 A 1 MODEL 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Page 75: ...71 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Page 76: ...72 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013371 REV B 10 01 2021 ...
Page 77: ...73 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013371 REV B 10 01 2021 ...
Page 78: ...74 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Page 79: ...75 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013371 REV B 10 01 2021 ...
Page 80: ...76 NOTES 240013371 REV B 10 01 2021 ...
Page 81: ...77 NOTES 240013371 REV B 10 01 2021 ...
Page 82: ...78 NOTES 240013371 REV B 10 01 2021 ...
Page 117: ...33 MODEL 100 Heat Only 100 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 118: ...34 MODEL 125 Heat Only 125 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 119: ...35 MODEL 165 Heat Only 165 HEAT ONLY WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 120: ...36 115 COMBI WIRING DIAGRAM MODEL 115 Comb PN 240012875 REV C 10 01 2021 ...
Page 121: ...37 MODEL 150 Combi 150 COMBI WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 122: ...38 MODEL 205 Combi 205 COMBI WIRING DIAGRAM PN 240012875 REV C 10 01 2021 ...
Page 127: ...43 LOW WATER CUTOFF DETAIL LOW WATER CUTOFF NO NO YES PN 240012875 REV C 10 01 2021 ...
Page 132: ...48 3 FAULT SOLUTION SECTIONS PN 240012875 REV C 10 01 2021 ...
