Water Heater Maintenance: How to Get More Years From Your Tank

Jack Japuncic • June 6, 2026

Written by the team at KCs Plumbing, Heating & Drain Services · Reviewed by Jack Japuncic, Master Plumber

Your water heater is one of the hardest-working appliances in your home, and one of the easiest to forget. It sits quietly in a closet or corner, doing its job, until the morning it doesn't. The good news is that most of the failures we get called out for are preventable, and a little routine care genuinely adds years to a tank's life. If you'd like to stop thinking about your water heater entirely, regular maintenance is how you get there.

Here's what maintenance actually does, what it involves, and how often it makes sense in our part of the world.

Why Water Heater Maintenance Is Worth It

Skipping maintenance doesn't save money. It just defers the cost to a worse moment, usually a cold shower or a leak. Regular servicing pays off in four concrete ways:

A longer life. A maintained tank often reaches or passes the upper end of its 8 to 12 year expectancy, while a neglected one rarely does.
Lower running costs. Sediment forces the burner or element to work harder to heat the same water, which shows up on your bill.
Fewer surprise breakdowns. Small issues caught early don't become emergencies.

Warranty protection. Many manufacturer warranties expect reasonable maintenance, so neglect can quietly void coverage.

What Professional Water Heater Maintenance Includes

A proper service visit is more than draining a bit of water. When we service a tank, we typically:

Flush the sediment. Minerals and grit settle at the bottom of the tank over time. Flushing clears them out, which restores efficiency and quiets that rumbling sound an aging tank makes.
Inspect the anode rod. This sacrificial part protects the steel tank from corrosion, and it wears out. Checking it is one of the most valuable things we do, and we cover it in depth in its own guide.
Test the temperature and pressure relief valve. This is a critical safety device, and it needs to be working.
Check connections, venting, and the burner or element. We look for early corrosion, gas or water issues, and anything drifting out of code.
Confirm the thermostat setting. The right temperature balances safety, comfort, and efficiency.

The Lower Mainland Water Factor

There's a local wrinkle worth knowing. Metro Vancouver's water comes from the Capilano, Seymour, and Coquitlam reservoirs and is unusually soft. That's mostly good news, because soft water produces far less of the scale buildup that shortens tank life in hard-water regions. The trade-off is that soft, low-mineral water can be tougher on a tank's anode rod, the part that quietly protects against corrosion. In practice, that means the most valuable maintenance here is keeping an eye on that rod and clearing the sediment that still accumulates. It's a small detail, but it's the kind of thing that decides whether your tank lasts eight years or twelve.

How Often Should You Service a Water Heater?

For most homes, an annual service strikes the right balance, and a once-a-year flush and inspection is a reasonable rhythm. Households with heavy hot water use, or tanks that are getting on in years, may benefit from more frequent attention. If your tank has never been serviced and you're not sure how old it is, that's the best possible time to book a first visit, because it doubles as a health check on the whole unit.

What You Can Do Between Service Visits

You don't need to be handy to help your tank along. A few simple habits make a difference: keep the area around the unit clear and dry so you'd notice a leak early, listen for new rumbling or popping sounds, watch for any change in how quickly hot water runs out, and note the tank's age if you know it. If anything seems off, it's always cheaper to ask than to wait.

Why Lower Mainland Homeowners and Property Managers Choose KCs

We've been maintaining water heaters across the Tri-Cities and the Lower Mainland since 1993, for homeowners and for property managers who can't afford a surprise failure in a rented or commercial space. As a family-run, licensed, insured, and BBB-accredited company, we do thorough, honest service work and tell you straight if we spot something that needs attention, without inventing problems that don't exist. You can learn more about our broader heating maintenance services as well.

Frequently Asked Questions

How Often Should a Water Heater Be Serviced?

Annually is a good baseline for most homes. Heavy-use households and older tanks may benefit from more frequent service. If yours has never been serviced, now is the right time.

What Does Flushing a Water Heater Do?

It clears sediment that settles at the bottom of the tank. That restores heating efficiency, reduces strain on the burner or element, and quiets the rumbling sound that sediment causes.

Does Soft Lower Mainland Water Still Cause Sediment?

Yes, though less than hard-water regions. The bigger local factor is anode rod wear, which soft water can accelerate, so checking the rod is a key part of maintenance here.

Can Maintenance Really Extend My Tank's Life?

It can. A well-maintained tank often reaches the upper end of its expected lifespan, while a neglected one rarely does. Flushing and anode care are the two biggest levers.

Will Skipping Maintenance Void My Warranty?

It can. Many manufacturer warranties assume reasonable upkeep, so neglect may reduce or void coverage. Regular service helps protect both the tank and the warranty.

Book a Service and Stop Worrying About It

A water heater you maintain is a water heater you can forget about, in the best way. The team at KCs Plumbing & Heating will service your tank thoroughly, flag anything that needs attention honestly, and help you get the most years out of it, backed by our satisfaction guarantee and more than 30 years serving Lower Mainland homes and businesses.

Call KCs Plumbing & Heating now at (604) 873-3753 or book a repair online. Day or night, we're here when you need us.

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