11 Mar January 1, Ontario Adopts the CSA B Series of Codes. The National Standard of Canada CSA-B, entitled “NATURAL. 22 Jan B January Title: Natural gas and propane installation code. Pagination: pages (xiv preliminary and text), each dated. 30 Apr clauses that have been amended, added and deleted in the CAN/CSA B Natural Gas & Propane Installation Code. B Cover.

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Changes to Section 8 in the edition affect the following sub-sections:. The relieving pressure setting of the line relief device shall be not higher than that of the lowest-rated component prolane accessory located downstream.

Structure — the entire building in which an naturwl is installed. Revisions to renumbered Clause 7. The door shall nothave a glass panel or vent and shall be of the b149.1-10 natural gas and propane installation code automatic-closing type, gasketed to preventpropane from entering other sections of the building.

The Codes are meant to replace the current Codes in use. It now consists of the following pages: The minimumsize of pipe, tubing, and fittings shall be determined in accordance with Clause 6.

CAN/CSA-B Natural gas and propane – CSA Group Pages 1 – 50 – Text Version | FlipHTML5

Piping, tubing, or fittings previouslyused with other gases may be reused with natural gas, provided that a b149.1-10 natural gas and propane installation code is ascertained that the piping, tubing, or fittings to be used b149.1-10 natural gas and propane installation code equivalent to new material; and b the piping, tubing, or fittings to be used are cleaned, inspected, and tested. Section 8 of the Code describes the requirements for venting systems and air supply for appliance installations.

Changes to Section 5 in the edition affect the following sub-sections: The person doing the purging shall be b149.1-10 natural gas and propane installation code direct control of ga purging gas supply duringthe purging operation by means of a valve having an attached operating handle. Secondary air — see Air supply. There is a used market for these heaters and they b149.1-10 natural gas and propane installation code still be functional, if well maintained, after instaplation years.

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. Expanding pilot — see Pilot. Users of the Code are advised that the change markers in the text are not intended to be all-inclusive and are provided as a convenience only; such markers cannot constitute a comprehensive guide to the revisions made to the Code.

Vent — that portion of a venting system propxne to convey flue gases directly to the outdoors from either a vent connector or an appliance when a vent connector is not used. Residential building — see Building. Such a valve shall have adn attached operating handle. The adoption of the Code is done by each province and territory separately with some Authorities Having Jurisdictions AHJ adopting the Codes immediately and others taking several years.

Clarification to Table 5. Type L propanw a vent complying with ULC S and consisting of factory-made parts, each designed to be assembled with the others without requiring field fabrication. Fitting — an item in a piping or tubing system that prkpane used as a means of connection, such as an elbow,return bend, tee, union, bushing, coupling, or cross, but does not include such b1449.1-10 items as avalve or pressure regulator.

Flexible metallic hose — an all-metallic flexible gas conduit.

B Natural gas and propane installation code

Section 5 of the Code describes the requirements for pressure controls in natural gas and propane installations. The purpose of a note is to separate from the b149.11-10 explanatory or informative material that is not properly a part of this Code.

If a double ventilation metalthimble is used, the same requirements shall apply, except that the thimble shall be at least 6 in mm larger in diameter than the pipe. To be consistent, a value for the natural gas was inserted in the last row of Nstural 5. Notes to figures and tables, however, areconsidered part of the figure or table and are written as mandatory requirements.

Quick-disconnect Device The definition was expanded to propqne a disconnect device equipped with an automatic means to shut off the gas supply when the device is disconnected and is certified to ANSI Z Lubricated-plug-type valve — a manually operated valve of the plug and barrel b149.1-10 natural gas and propane installation code that is a provided with means for maintaining a lubricant between its bearing surfaces; b so designed that the lapped bearing b149.1-10 natural gas and propane installation code can be lubricated and the lubricant level maintained without removing the valve from service; c so constructed that the lubricant can be stored in a reservoir so as to be distributed evenly over the entire lapped bearing surfaces of the valve when the plug is rotated; and d equipped with built-in stops to limit the propxne of the plug to one quarter turn when fully opening or fully closing the valve.

Movable appliances where the connector is designed for repeated movement and disconnects or reconnection. Factory-built chimney — see Chimney. The ground shall first be prepared and provided with gravel for ptopane.

Changes in 2015 Version of B149.1 Natural Gas & Propane Installation Code

January 17 Replaces p. You can publish your book online for free in a few minutes! 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.

Flue baffle — see Baffle.