Best Ways to Clean Your Water Heater

The best way to clean a water heater is by flushing it annually to remove mineral and sediment buildup. This maintenance task extends your unit’s lifespan, prevents costly repairs and helps your unit heat water efficiently. Enduric Plumbing Services Inc. provides comprehensive water heater maintenance to protect this essential investment.

We are a full-service residential and commercial plumbing company providing high-quality work and excellent customer service throughout the entire process. Our technicians stay current on new technology and systems.

Steps to Flush a Water Heater

Flushing a water heater annually removes calcium, magnesium and other minerals that settle at the tank bottom. Without regular cleaning, sediment can form a barrier between the heating element and the water, forcing your system to work harder. Let’s walk through how to flush a water heater tank:

Turn off the power source: For electric units, flip the breaker to off. For gas water heaters, turn the thermostat to pilot.
Allow cooling time: Let the water cool for at least two hours.
Close the cold water inlet: Turn the cold water valve at the top of your heater to the closed position.
Connect a garden hose: Attach a hose to the bottom drain valve and run it to a floor drain or outside.
Break the airlock: Open a hot water faucet to allow water to flow from the drain valve.
Drain and flush: Open the bottom drain valve. At first, the water will appear cloudy with sediment. Once the tank has drained, turn the cold water back on briefly to stir up deposits. Repeat until the water runs clear.
Refill and restart: Close the drain valve, turn on the cold water and leave a hot water faucet open until water flows steadily. Once the tank is full, restore power.

The active flushing process typically takes about 45 minutes, not including cooling time.

Understanding Sediment in Your Tank

Water heater tank sediment consists of dissolved minerals that separate from heated water and settle at the bottom. Calcium carbonate and magnesium are the most common deposits. As your unit heats water, these minerals separate and settle as solid buildup.

This sediment layer insulates the burner or heating element, reducing heat transfer efficiency. Your system runs longer to reach the desired temperature, increasing energy costs. Sediment also traps moisture against the tank bottom, accelerating corrosion.

Standard residential water heaters hold 40 to 50 gallons, the conventional recommendation for household needs. While 30-gallon units exist in some mobile homes, they prove insufficient for standard demands. Annual flushing maximizes your unit’s service life.

Maintenance Services

Enduric provides several diagnostic water heater maintenance services to keep your water heater running smoothly, including:

Routine visual inspections: Our friendly technicians examine your unit for signs of corrosion, leaks, rust or structural damage.
Preventive maintenance scheduling: We establish a timeline to extend your system’s lifespan and catch problems early.
Leak detection and repair: We identify leak sources and complete repairs to prevent damage to your residential plumbing system.
Tank flushing services: Our team performs thorough flushing to remove mineral and sediment buildup, leaving your space cleaner than when we arrived.
Element and burner replacements: We replace worn heating elements and service burner assemblies to maintain performance.

Answers to Your Water Heater Questions

If you’ve got questions about flushing your water heater, you’re in the right place.

How Often Does My Water Heater Need Flushing?

Manufacturers recommend flushing your water heater at least once a year. If you have hard water or notice rumbling noises or reduced capacity, flush every six months. Our technicians can assess your situation and recommend an appropriate schedule.

What Signs Indicate That My Water Heater Needs Flushing?

Common indicators include popping sounds when heating, reduced hot water capacity, longer heating times or discolored water from hot taps. These symptoms suggest that mineral deposits are affecting performance. Schedule an inspection to determine whether flushing will resolve the problem or if water heater repairs are necessary.

Can You Flush Your Own Water Heater?

While homeowners can perform basic flushing, professional service offers advantages. Our technicians identify potential issues such as a failing drain valve or a deteriorating anode rod. We carry tools and parts to address problems immediately, and we provide up-front pricing so you know what to expect.

Let’s Take Care of Your Water Heater

Our licensed, bonded and insured plumbing company serves homeowners, HOAs, property management companies, contractors and business owners. From Greensboro and High Point to Winston-Salem and Kernersville, we’re known for friendly service and dependable support. Contact us today to schedule a service.