1
Combustion Air (PVC shown)
Vent (stainless special gas vent)
90° elbow(s) PVC
90° elbow(s)
Quantity =
x 5’ =
equiv. ft. a.
Quantity =
x 5’ =
equiv. ft. a.
45° elbow(s) PVC
45° elbow(s)
Quantity =
x 2.5’ =
equiv. ft. b.
Quantity =
x 5’ =
equiv. ft. b
Straight pipe PVC
Straight pipe
Length ft. =
x 1 =
equiv. ft. c.
Length ft. =
x 1 =
equiv. ft. c.
Horizontal drain tee
Length ft. =
x 2' =
equiv. ft. d.
Vertical drain tee
Length ft. =
x 7' =
equiv. ft. e.
Total*
a.+b.+c. =
equiv. ft.
Total*
a.+b.+c.+d.+e.=
equiv. ft.
* Total cannot exceed 60 equiv. ft. length.
Vent and combustion air terminals do not count towards total equiv. ft.
Vent/Combustion Air, Equivalent Length Work Sheet
This sheet is supplied to assist in vent/combustion air, equivalent length calculating
APPENDIX B2 – Direct Venting (continued)
Special Instructions for Stainless Steel Direct Vent (continued)
Figure B-: Alternate Separate Horizontal – Vent/Air Intake Installation
Содержание ESC
Страница 6: ... Figure S 1 Minimum Clearances to Combustibles SPECIFICATIONS continued ...
Страница 30: ...30 Internal Wiring Figure IW 1 Wiring Diagram ...
Страница 31: ...31 Internal Wiring continued Figure IW 2 Wiring Diagram ...
Страница 37: ...37 APPENDIX B1 INTENTIONALLY OMITTED ...
Страница 50: ...50 Figure D 0 Piping Schematic Symbols APPENDIX D System Piping continued ...
Страница 62: ...62 SERVICE RECORD DATE SERVICE PERFORMED ...
Страница 63: ...63 SERVICE RECORD DATE SERVICE PERFORMED ...
Страница 64: ...64 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 717 397 4701 www usboiler burnham com ...