Commercial plumbing 101: preventive maintenance for building owners

Quick answer

Put your building on a schedule: jet main drains and kitchen lines, pump grease traps on time, test backflow preventers every year, flush and inspect water heaters, and walk the building for leaks and running fixtures. Planned maintenance costs far less than a shutdown during business hours.

For a building owner or manager, plumbing problems rarely show up at a convenient time. A backed-up kitchen drain on a Friday night or a burst line in a tenant's space can mean lost business, unhappy tenants and expensive cleanup. A simple preventive maintenance plan catches most of these problems early.

Keep drains and sewer lines moving

Main drains, kitchen lines and floor drains collect grease, food, paper and scale over time. Scheduled hydro jetting scours the pipe walls clean so clogs don't build back up as quickly. A camera inspection every few years shows roots, cracks or sagging pipe before they become a backup.

Stay ahead on grease traps

Restaurants and food service spaces need grease traps and interceptors pumped on a regular schedule, often set by local rules. Waiting too long sends grease into the sewer line, where it hardens into blockages that are hard and expensive to clear.

Test backflow preventers every year

Backflow preventers protect the public water supply from contamination. Most water utilities require commercial devices to be tested by a certified tester every year, with results filed on time. A failed test is usually a simple repair if it's caught early.

Look after water heaters

Commercial water heaters work hard. Flush them to clear sediment, test the relief valves, check the anode rods and look for leaks. A failed water heater can shut down a kitchen, a salon or a whole building's restrooms.

Walk the building for leaks

Running toilets and urinals, and dripping faucets
Water stains on ceiling tiles and walls
Damp spots or rust around mechanical rooms
A water bill that rises without an explanation

Plan work around your hours

Scheduling maintenance before opening, after closing or on slow days keeps your business running while the work gets done. Keep a simple log of what was done and when, so nothing gets missed.

Frequently asked questions

How often should commercial drains be cleaned? +

It depends on use. Restaurants often need kitchen lines jetted every few months. Offices may need it yearly.

Is backflow testing required for businesses? +

In most places, yes. Backflow preventers on commercial buildings usually need a certified test every year.

Do you offer maintenance plans for commercial properties? +

Yes. Call your branch to set up a schedule that fits your building and business hours.