CAN CSA-B PDF – CAN/CSA-B, Natural gas and propane installation code. January Note: General Instructions for CSA Standards are now called. 1 Aug CAN/CSA B January Natural Gas and Propane Installation Code, Includes Supplement No. 1 and Update No. 1. Historical. 1 Jan CAN/CSA BU Update No. 1 *This update corrects Clause , which mistakenly refers to Clause The Update No. 1 revises.

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

Fitting — an item in a piping or tubing system that is used as a means of connection, such as an elbow,return bend, tee, union, bushing, coupling, or cross, but does not include such functioning items as avalve or pressure regulator. Create your ca flipbook. An internal excess-flow valve can be integral to another valve.

They shall be can csa-b When more precise information regarding the maximum rate ofgas consumption is not available from the manufacturer, the size of piping shall be computed for normaloperation.

CAN/CSA B149.1-05

A moisture-exhaust duct from a clothes dryer is not considered to be a connector. If an appliance with a draft-control device and an appliance without a draft-control device are installed within the same structure or enclosure, the required cam area of the air supply opening shall be the greater of a that required by Table 8.

Gas Safety Regulation [includes amendments up to B. Careful attention shall be paid not only to themechanical execution of the work but also to the arrangement of the installation.

Travel trailer — a vehicular portable structure intended to be towed by a motor vehicle and that does not fold up or reduce in size for transit. Except for direct vent water heaters, when the water heater is contained in an enclosure, permanent openings shall be provided as described in Clause caan. January 89 Replaces p. csa-1b49.1-05


January 83 Replaces p. Class A or class B certificates for individuals with qualifications from elsewhere in Canada. The concentrationof carbon dioxide and carbon monoxide shall be verified upon initial start-up.

Flexible metallic hose — an all-metallic flexible gas conduit. Evidence shall be provided to authenticate the characteristics of the replaced appliance to the authority having jurisdiction. Induced draft — a mechanical draft produced by a device downstream from the combustion zone of an appliance. Clearance to the tub must be maintained can csa-b Set pressure — the start-to-discharge pressure for which a relief valve is set and marked. NOK 1 ,00 eks. It shallbe wired into the safety limit circuit of the primary safety control to shut off the gas in the event ofair-supply failure.

Revised Contents, Clauses 1. Dirt pocket dust pocket — a pocket in cas-b149.1-05 piping system designed for the collection of dirt and from which the dirt can be removed.

Service regulator — a pressure regulator installed can csa-b Clearances specified in Table 4. Draft-control device — either a draft hood or a draft regulator. January 81 Replaces p. The purpose of a note is to separate from the text explanatory orinformative material that is not properly a part of csa-b149.1-055 Code.

Flexible connector — see Connector.

CAN/CSA-B Natural gas and propane – CSA Group Pages 51 – 72 – Text Version | FlipHTML5

When more precise information regarding the maximum rate ofgas consumption is not available from the manufacturer, the size of piping shall be computed for normaloperation. January 29 Replaces p.

Motorized home — a vehicular portable structure of self-propelled design. In addition, the gas appliance shall cxa-b See also Cwa-b149.1-05 4.


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

This air-supply opening requirement shall be in addition to the opening for ventilation air required in Clause 8. Pressure regulator — a device, either adjustable or nonadjustable, for controlling and maintaining, within acceptable limits, a uniform outlet pressure. Flue — an enclosed passageway for conveying flue gases. Clearancesfrom building openings csa-b149.1-05 be commensurate with local conditions and the volume of gas that mightbe released, but shall not be less than those required by CSA B Create your own flipbook.

January 51 Replaces p. January 17 Replaces p. The minimumsize of pipe, tubing, and fittings shall be determined in csab-149.1-05 with Clause 6. Vaporizer — an appliance for converting liquid propane to vapour by means other css-b149.1-05 atmospheric heat transfer through the surface of the container. All measurements shall be taken between the outermost projection of the appliance and surrounding structure or property csa-b149.1–05 after the appliance has been installed.

Excess air — see Air supply. In this edition, sca-b149.1-05 a major change or addition to the previous edition of the Code can csa-b The minimum clearance may be reduced when a substantial guard is provided to prevent vehicles from striking the heater.

Internal valve — a valve designed and installed so that its seat is within a tank and the arrangement of the parts of the valve is such that damage to the parts outside the tank will not prevent effective seating of the valve.

Semi-rigid connector — see Connector.