This covers bringing potable water into a building and distributing it.

Typical work includes:

• Water service lines (from meter to building)

• House repipes (copper, PEX, etc.)

• Leak detection and pipe repair

• Shutoff valves and pressure regulators

• Backflow preventers

• Water filtration and conditioning equipment

• Angle stops and fixture supply lines

This is the waste removal side of plumbing.

Typical work includes:

• Drain piping

• Sewer lines

• Vent piping

• Trap installation

• Drain cleaning and root removal

• Sewer repairs and replacements

• Building sewer connections

• Septic connections in some cases

Typical work includes:

• Gas lines to appliances

• Gas shutoff valves

• Earthquake gas shutoff valves

• Gas leak detection and repair

• Appliance gas connections

This includes any equipment used to heat water or fluids.

Typical work includes:

• Tank water heaters

• Tankless water heaters

• Boiler-related plumbing connections

• Recirculation pumps

• Solar water heating systems

• Expansion tanks

• Water heater maintenance and replacement

Fixtures and Plumbing Equipment

This covers the final plumbing components people see and use.

Typical work includes:

• Toilets

• Faucets

• Sinks

• Bathtubs and showers

• Garbage disposals

• Dishwashers (water connections)

• Laundry hookups

• Backflow preventers

• Gas control valves

• Pressure regulators

• Earthquake gas shutoff valves

• Water conditioning equipment