Plumbing systems supply water, remove waste and regulate indoor climate through pipes, valves, fixtures, and appliances like sinks and toilets. Plumbers install and repair these systems. They also diagnose problems and devise effective solutions. That’s why the Code Council partnered…

A septic tank works to sort household waste. Solids settle down to the bottom, forming sludge, while fats, oils, and grease float to the top as scum. Homes that use garbage disposal generate more solids and may need to have…