
When it comes to home comfort, few appliances work harder behind the scenes than your water heater. From hot showers on chilly Indiana mornings to sparkling clean dishes after family dinner, your water heater is always on duty. But like any hardworking system, it needs a little TLC to stay efficient and safe.
So—how often should you check your water heater, and what exactly should you look for? Let’s break it down in a simple, stylish way—think HGTV meets home maintenance.
How Often to Check Your Water Heater
The golden rule: inspect your water heater at least once a year. A yearly check-up helps spot small issues before they turn into expensive repairs or full replacements.
That said, a quick “mini-check” every few months is smart, especially if your water heater is older than 8–10 years. (Fun fact: the average water heater lasts 8–12 years depending on maintenance and water quality.)
Annual Check-Ups Keep Things Flowing Smoothly
Once a year, take about 20 minutes to:
- Inspect the tank and connections for leaks.
- Test the temperature and pressure relief valve (also called the T&P valve).
- Flush the tank to reduce sediment buildup.
- Check the thermostat setting (120°F is ideal for most homes).
If that sounds like a lot, don’t worry—Mowery’s plumbing team in Indianapolis can handle annual water heater maintenance for you.
What to Check on Your Water Heater
Here’s a homeowner-friendly checklist, broken into simple steps:
1. Look for Leaks
Do a visual sweep around the tank, valves, and pipes. Even small drips can add up to wasted water and hidden damage. If you notice puddles or rust stains, it’s time to call a plumber.
2. Listen for Strange Sounds
Popping or rumbling noises? That’s usually sediment buildup inside the tank. Over time, minerals from Indiana’s hard water settle at the bottom, forcing your heater to work harder and less efficiently.
3. Test the T&P Valve
The temperature and pressure relief valve is a critical safety feature. Place a bucket under the discharge pipe, gently lift the lever, and let it snap back. You should hear a quick rush of water. If not, call a professional right away.
4. Flush Out Sediment
Once a year, attach a garden hose to the drain valve, empty a few gallons of water, and flush out sediment. This extends your water heater’s life and helps lower energy bills.
5. Check the Temperature Setting
Set the thermostat to 120°F. It’s hot enough for daily tasks but not so hot that it risks scalding or wastes energy.
6. Inspect the Anode Rod
The anode rod prevents rust inside your tank. If it’s worn down to less than half an inch, it’s time to replace it. This step may require a plumber’s help, but it’s worth it for long-term protection.
Signs Your Water Heater Needs Attention
Sometimes your water heater will give you a clear “SOS” before it fails. Keep an eye out for:
- Rusty or discolored water coming from the hot tap.
- Water that never gets hot enough (or runs cold too quickly).
- Leaking around the base of the tank.
- Unusual noises that don’t go away after a flush.
- Age 10+ years—if your water heater is a decade old, start budgeting for replacement.
Why Water Heater Maintenance Matters
Regular water heater checks are more than just a box to tick off your homeowner to-do list:
- Save Money – A maintained water heater runs more efficiently, cutting down on utility bills.
- Extend Lifespan – Prevent costly breakdowns and get more years out of your system.
- Stay Safe – Catch leaks or valve malfunctions before they cause damage.
- Better Comfort – Reliable hot water makes everyday routines stress-free.
Should You DIY or Call a Pro?
Basic checks—like looking for leaks, adjusting the thermostat, or flushing a gallon or two of water—are easy DIY projects. But when it comes to testing the anode rod, replacing parts, or handling major leaks, it’s best to call in the experts.
That’s where Mowery Heating Cooling & Plumbing comes in. Our Indianapolis plumbing team handles water heater maintenance, repair, and replacement for homes across Central Indiana. Whether you’ve got a gas water heater, electric model, or tankless system, we’ll keep your hot water flowing smoothly.
Final Thoughts
Checking your water heater may not be as fun as picking out paint colors or styling your living room, but it’s just as important for creating a comfortable, stylish, and stress-free home. With a little annual care—and the right plumbing partner—you can enjoy reliable hot water year-round.
Ready to schedule your water heater check-up? Contact Mowery Heating Cooling & Plumbing in Indianapolis today and let our pros take care of the hard work.