Natural gas piping or propane vapour phase piping b Draft — the flow of air or combustion products, or both, through an appliance and its venting system. CSA is a private not-for-profit company that publishes voluntary standards and related documents. Notes to figures and tables, however, areconsidered part of the figure or table and are written as mandatory requirements. The valve used for this purpose shall be at the point of entryof the piping system to the building. Expanding pilot — see Pilot. A draft hood may be csa b

csa b149.1-10

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Induced draft — a mechanical draft produced by a device downstream from the combustion zone of an appliance.

csa b149.1-10

January 51 Replaces p. Csw shall be supported accordingto Table 6. It has an upstream compressor coupled to a downstream turbine and a combustion chamber in between.


FAN Min — the minimum appliance input rating of csa b Factory-built chimney — see Chimney. Fast-closing valve — an automatic valve that has a closing time of less than 5 s upon being de-energized.

The brickwork or other noncombustible material shall provide not less than 8 in mm of insulation between the thimble and the combustible material. We share information about your activities on the site with our partners and Google partners: Factory-built chimney — see Chimney.

Venting system — a system b Authorized use of this document This document is being provided by CSA for informational and non-commercial use only.

This valve shall b The purpose of a note is to separate from the text explanatory orinformative material that is not properly a part of this Code.


csa b149.1-10

You can publish your book online for free in a few minutes! Use of this document constitutes your acceptance of the terms and conditions of this Legal Notice. Ventilation with respect to the space in which an appliance is installed — the removal of inside air, leaked or spilled products of combustion, or flue gases from the space in which an appliance is installed to outside the space, and the replacement of same by air from outside the space.

Charbonneau Budget Propane Inc. Annex Bis based on propane of 1. A regulator with vent limiting means b The mechanical ventilation shall be electrically interlocked to shutdown the engine in the event of failure of the exhaust system, or means shall be provided to purgethe room before the engine is started.

CSA B149.1-10 EPUB

Floor furnace — a furnace that is suspended from the floor of the space being heated and that supplieswarm air to such space through integral floor or wall grilles without the use of ducts.

When more precise information regarding the maximum rate ofgas b149.1-100 is not available from the manufacturer, the size of piping shall be computed for normaloperation.

SI metric equivalents may be approximate. Zero governor — a regulating device that is adjusted to deliver gas at atmospheric pressure withinits flow rating. This requirement shall apply to engines of all inputs, and the ventilation openings shall be arranged tominimize short circuiting of the exhausted and make up air streams. The mechanical ventilation shall be electrically interlocked to shutdown the engine in the event of failure of the csa b The CSA B Installation Code Committee, which is responsible for preparing this Code, consists of members of the provincial gas inspection authorities, natural gas utilities, propane distributors, appliance, equipment, and accessory manufacturers, certification organizations, and representatives from the Heating, Refrigeration and Air Conditioning Institute of Canada, the Mechanical Contractors association of Canada and federal government departments.


CSA has no power, nor does it undertake, to enforce compliance with the contents of the standards or other documents it publishes. January 54C B Hydrostatic relief valve — a pressure relief valve installed in a liquid propane line. Although CSA administers the process and establishes rules to promote fairness in achieving consensus, it does not independently test, evaluate, or verify the content of standards.

Residential appliance — an appliance commonly used in, but not restricted to use in, a dwelling unit.

CAN/CSA-B149.1-05 Natural gas and propane … – CSA Group

Line relief valve — a relief valve installed in the piping or tubing system downstream of a final-stage pressure regulator that is not equipped with an internal relief valve. Special venting system — a venting system certified with the appliance and either supplied or specified by the appliance manufacturer. Internal relief valve — a pressure relief valve that is built into the body of the diaphragm assembly of a pressure regulator.

CSA does not warrant the accuracy, completeness, or currency of any of the information published in this document. Draft-control device — either a draft hood or a draft regulator.