Photo Credits

• Plumber working under a kitchen sink cabinet — photo taken by flickr user rick, CC BY 2.0
• Two wall-mounted tankless water heaters with expansion tanks on an exterior wall — Downtowngal, CC BY-SA 4.0
• Power drain-cleaning machine with a cable drum set up in a utility room — Tomwsulcer, Public domain
• Technician feeding a drain inspection camera into a floor drain — FiberscopeDOTnet, CC BY-SA 4.0
• Copper water supply pipes with a quarter-turn shutoff valve — Tony Webster, CC BY 2.0
• Close-up of a corroded pipe with a leaking failure point — Shamrock Lee, CC BY 4.0
• White bathroom sink with a single-handle faucet — Smtzzz, CC BY-SA 4.0