CAN CSA-B149.1-05 PDF

1 to CAN/CSA-B, Natural gas andpropane installation code January Note:General Instructions for CSA Standar ds are now called. 1 Preface This is the thirteenth edition of CAN/CSA-B, Natural gas and propane installation code. It supersedes the previous editions, published. CSABUpdate-Update No. 1 to CAN/CSA-B, Natural Gas and Propane Installation Code-.

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FS – Wolf Steel Ltd. Imperfect in form or function. Strategies of adaptation to an extreme environment: A Type B vent or a certified chimney lining system passing through an unused masonry chimney flue shall not be considered to be exposed to the outdoors. FS – Interpreting Clause 8. Careful attention shall be paid not only to the mechanical execution of the work csa-b149.1-50 also to the arrangement of the installation.

B149.1-05 Quick Code Reference

Except for direct vent water heaters, when the water heater is dsa-b149.1-05 in an enclosure, permanent openings shall be cssa-b149.1-05 as described in Clause 8. It is designed to a ensure the ready escape of flue gases from the combustion chamber in the event of either no draft or stoppage downstream from the draft hood; b prevent a backdraft from entering the combustion chamber of the appliance; and c neutralize the effect of stack action of either a chimney or a vent upon the operation of the appliance.

Exterior chimneys or vents not enclosed by the structure or a chase below the roof line can experience continuous condensation, depending on locality. Flue gas dilution air — the ambient air that is admitted to a venting system at the draft hood, draft diverter, or draft regulator.

Chimney — a primarily vertical shaft that encloses at least one flue for conducting flue gases outdoors. Flue collar — that portion of an appliance designed for the attachment of a draft hood, vent connector, or venting system.


The Horizontal length of the common vent connector manifold L in Figure C. All measurements shall be taken between the outermost projection of the appliance and surrounding structure or property line after the appliance has been installed. Care or detention occupancy building — any building or part thereof used or csa-b149.1–05 by persons who require special csa-bb149.1-05 or treatment because of cognitive or physical dsa-b149.1-05, or by persons who are incapable of self-preservation and who are restrained from self-destruction by security measures not under their control.

CAN/CSA-B Natural gas and propane – CSA Group | FlipHTML5

Dwelling unit — a housekeeping unit used or intended to be used as a domicile by one or more persons, and usually containing cooking, eating, living, sleeping, and sanitary facilities. Bedroom — a room furnished with a bed and used primarily for sleeping.

Factory-built chimney — a chimney that consists entirely of factory-made parts, each designed to be assembled with the other without requiring fabrication on site. Ventilated space — a space where there is an air change by means of natural ventilation or mechanical means, or where the space communicates with the rest of the structure by means of permanent openings.

Residential building — any building or part thereof used by persons for whom sleeping accommodation is provided but who are not harboured or detained to receive medical care or treatment or are not involuntarily detained. Chimney has capacity fsa-b149.1-05 complies with 8. The DP column shall be used to determine the capacity of a venting system within a building constructed in accordance with Clause 8.

FS — Wolf Steel Ltd. Vent connector — that part of the venting system that conducts the flue gases from the flue collar of an appliance to a chimney or vent, and that may include a draft control device.


Corrugated metal vent systems installed with bends or offsets require additional reduction of the vent capacity see Clause C. A double-acting draft regulator is one cam balancing damper is free to move in either direction. Provide owner with Attachment 1 – FS Category IV appliances unless installed in designated R homes or in an enclosure.

Adequate combustion air shall be provided for the water heater. FS – Maintenance vs. This clearance shall be maintained if it passes through either a combustible wall or partition, in accordance with Table 8. Draft-control device — either a draft hood or draft regulator.

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CAN/CSA B149.1-05

Bed-sitting room — A one-room apartment serving as both a bedroom and a sitting room. The chimney shall first be lined with either a Type B vent, sized in accordance with Tables C. FS – Quietside Corp. Enclosure — a secondary structure room within or attached to a structure building in which an appliance is installed.

Annex C — Miscellaneous C. Metal chimney — a single-wall chimney of metal constructed on site. Building — a structure or part thereof used or intended for supporting or sheltering persons, animals, or property and classified cwn its occupancy in accordance with the applicable building code of authority having jurisdiction or, in the absence of such, in accordance with the National Building Code of Canada.

An enclosure containing the water heater shall not be accessed by a pedestrian door which can be opened from the bathroom or bedroom. Residential appliance — an appliance csab149.1-05 used in, but not restricted to use in, a dwelling unit.

FS — Tirino Corp.