Where should a vent for a fuel gas regulator installed next to an appliance be piped to?

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The vent for a fuel gas regulator installed next to an appliance should be piped to the outside of the building. This is crucial for safety and compliance with building codes.

When the vent is directed outside, it ensures that any gas that may escape through the regulator, which could happen during overpressure conditions or other anomalies, does not build up inside the structure. Venting to the outside minimizes the risk of explosion or fire hazards that could arise from gas accumulation indoors. Additionally, outdoor venting aids in proper dispersal of any vented gases, which ensures they do not pose a risk to the occupants or the integrity of the building.

The other options are less safe: venting into a vent stack could potentially lead to backdraft issues, venting into a nearby room poses the risk of gas accumulation, and venting into the attic space could create an unsafe environment if gas were to leak, as attics can be poorly ventilated. Thus, directing the vent to the outside is the most effective and safest practice.

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