Plumbing · P-DPVC5

Gas Piping Detail

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A gas piping sediment trap configuration appears alongside plumbing drainage suds relief connection standards. The gas supply line features a CSA listed shut-off valve located within six feet of the equipment, followed by a gas union, a tee fitting, an equipment nipple, and a capped sediment trap extending a minimum of three inches. Code requirements note that sediment traps must be installed as close as possible to the appliance inlet per plumbing design, with exceptions for internal sediment traps, ranges, clothes dryers, gas fireplaces, and outdoor grilles. A separate diagram indicates that vertical stacks receiving waste discharge from more than three stories of suds-producing fixtures must maintain an eight-foot minimum clearance from drainage connections and changes in direction.

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