common vent

dual vent, common vent, unit vent

dual vent

In plumbing, a single vent, 1 connected at the junction of two fixture drains, which serves as a vent for both.

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References in periodicals archive ?

Our goal in developing the Cyclone Common Vent Kits was to give contractors a flexible, ready-to-install tool that is easy to work with and can help them be more efficient on the job, Chisolm said.

United States : A. O. Smith Introduces Common Vent Option for Industry Leading Cyclone Commercial Water Heaters

To alleviate that concern, the EPA is making revisions that allow testing of a common vent and that clarify that operators do not have to shut a facility for the sole purpose to test a compressor in its non-operating mode, but that the measurement must be made at the next scheduled shutdown.

Gas/oil industry unhappy with EPA proposed changes to GHG rule

Their common vent is that Hazare should not consider himself superior to Parliament which alone has the right to debate and decide the Lokpal Bill.

PM to meet allies ahead of tomorrow's all-party meet

And they did not contain anhydrite, a common vent chimney mineral that dissolves in seawater at temperatures less than about 150[degrees]C (302[degrees]F).

The remarkable diversity of seafloor vents: continuing explorations reveal an increasing variety of hydrothermal systems