NV C-1A Boilers Practice Questions - Nevada C-1A Boilers Contractor Examination Exam

Where must a gas sediment trap be installed when it is not built into the appliance?

Upstream of the meter only. Downstream of the appliance shutoff valve, as close to the appliance inlet as practical. In the vent connector above the draft hood. On the hydronic return to catch magnetite.

Correct Answer:

Downstream of the appliance shutoff valve, as close to the appliance inlet as practical.

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