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- 403.41,2, 403,10A —Schedule 10 Steel Gas Pipe —Change Summary. The code now allows <br />Schedule 10 steel pipe to be used for fuel gas service. <br />- 404.14 — Piping underground beneath Buildings — Change Summary: A listed encasement system <br />instead of a conduit encasement is recognized where plastic piping is installed underground <br />beneath a building. <br />- 409.7 — Shutoff Valve Support for Tubing Systems — Change Summary: New text addresses <br />shutoff valve support for tubing systems. <br />- 503.8 — Direct -vent Termination Clearances — Change Summary: Section 503.8, Item 3 relative to <br />direct -vent appliances was reformatted into table form and a new category was added for <br />direct -vent appliances having higher Btu/hr inputs that are more consistent with nonresidential <br />appliances. <br />Please Notea The Code Changes Listed Above Do Not Include All Changes to the Code <br />