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SAFETY SHUTOFF DEVICE
A device that will shut off the gas supply to the controlled burners in the event the source of ignition fails to ignite the gas at the burners. This device may interrupt the flow of gas to the main burners only, or to the pilot and the burners under its supervision.
The air externally supplied to the flame at the point of combustion.
A faucet containing a valve that automatically closes upon deactivation of the opening means.
The pipe which brings the gas from the gas main to the point of delivery.
Any liquid waste containing animal or vegetable matter in suspension or solution, including liquids containing chemicals in solution.
A device for lifting sewage by entraining the sewage in a high-velocity jet of steam, air or water.
See "Building sewer."
A common sewer directly controlled by public authority. Sanitary sewer. A sewer that carries sewage and excludes storm, surface and ground water.
A sewer that conveys rainwater, surface water, condensate, cooling water or similar liquid wastes.
The fall (pitch) of a line of pipe in reference to a horizontal plane. In drainage, the slope is expressed as the fall in units vertical per units horizontal (percent) for a length of pipe.
A pipe that conveys sewage containing fecal matter to the building drain or building sewer.
A methoed used to join Plastic pipe by using Cement and Primer.Â The cement (glue) used for connecting PVC parts is sticky like standard glue, butÂ it actually melts the plastic, creating a true weld.
As applied to gas, specific gravity is the ratio of the weight of a given volume to that of the same volume of air, both measured under the same condition.
SPILL-PROOF VACUUM BREAKER
An assembly consisting of one check valve force-loaded closed and an air-inlet vent valve force-loaded open to atmosphere, positioned downstream of the check valve, and located between and including two tightly closing shutoff valves and a test **.
A general term for any vertical line of soil, waste, vent or inside conductor piping that extends through at least one story with or without offsets.
The extension of a soil or waste stack above the highest horizontal drain connected to the stack.
A method of venting a fixture or fixtures through the soil or waste stack.
STERILIZER Boiling type
A boiling-type sterilizer is a fixture of a nonpressure type utilized for boiling instruments, utensils or other equipment for disinfection. These devices are portable or are connected to the plumbing system.