Connectors should be used to connect an appliance and equipment to the vertical chimney or vent, except were the chimney or vent is attached directly to the appliance. The vent connector should be as short as practical, and the appliance should be located as close as practical to the chimney or vent.

Watch this video: https://www.youtube.com/watch?v=u6_ubGlXmjg&feature=youtu.be

Most fuel-gas appliance manufacturers require the installation of a sediment trap. Sediment traps prevent debris from entering the gas controls and causing hazardous malfunctions.

https://youtu.be/dse-WcdjA2s

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Modern plumbing, including proper sanitary drainage, is one of the reasons that diseases such as typhoid fever, cholera and dysentery have been eliminated. Modern plumbing has improved human health and longevity.

Water Pressure Defects

In order to get the most meaningful results in relation to inspecting the water pressure, it is good practice to inspect the plumbing fixtures at the highest point in the house. And then move downwards to the lowest level of the building while running water at each fixture for a minute or two. Do not let water run at any fixture without close observation. Do not let water run unattended at any fixture.

An air gap in a drainage system is the unobstructed vertical distance of free space between the outlet of the waste pipe and the flood-level rim of the receptacle into which the waste pipe is discharging. As an example in a commercial restaurant, the air gap would be between the drainpipe of a salad bar and the floor sink or tub drain.

There are deep wells (more than 25 feet deep) and shallow wells (25 feet or less). A typical well pump can pull up about 25 feet of water. If the well is deeper than 25 feet, the pump will have to be installed at the bottom of the well to push the water up. Pumps are better at pushing than pulling.