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An air gap, as related to the plumbing trade, is the unobstructed vertical space between the water outlet and the flood level of a fixture. [1] Air gaps of appropriate design are legally required by water health and safety regulations in many countries. An air gap is the simplest form of a backflow prevention device.
An air gap is simply an open vertical space between any device that connects to a plumbing system (like a valve or faucet) and any place where contaminated water can collect or pool. A simple air gap has no moving parts, other than flowing water. Many plumbing codes specify a minimum air gap distance required for various circumstances, such as ...
If the pressure in the "upstream side" is reduced to atmospheric pressure or below, the poppet valve drops and allows air to enter the system, breaking the siphon. [1] One-Inch Brass Atmospheric Vacuum Breaker mounted on PVC Pipe. These devices, since they work on atmospheric principles, cannot be installed in an enclosure containing air ...
An elbow injury sidelined San Francisco's Brock Purdy late in the fourth quarter of the 49ers' loss to the Detroit Lions on Monday night after the quarterback took a sack in the final minutes.
Adams, 29, most recently played for the Tennessee Titans after signing as a free agent in the offseason. He played sparingly in three games with the Titans before they released him in October .
Plumbing installation and repair work on residences and other buildings generally must be done according to plumbing and building codes to protect the inhabitants of the buildings and to ensure safe, quality construction to future buyers.