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Do I Really Need To Drain My Water Heater?

Is Your Water Heater Due for a Flush? Here's What You Need to Know.

Let's talk about something most homeowners overlook - draining your water heater.

It might not be the most exciting home maintenance task, but trust me, it's crucial for keeping your hot water flowing smoothly and your water heater running efficiently.

The Silent Water Heater Tank Killer: Sediment

Have you ever heard strange popping or crackling sounds coming from your water heater?

That's probably sediment buildup, saying hello.

Over time, minerals and debris naturally settle at the bottom of your tank, creating a barrier between the heating element and the water. 

It's like trying to heat your water through a blanket of rocks, which is not very efficient, right?

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Warning Signs You Shouldn't Ignore

Your water heater has ways of telling you it's struggling with sediment. If you're noticing:

  • Weird popping sounds (like a coffee percolator)
  • Hot water that runs out faster than it used to
  • Rusty or cloudy water from your hot taps
  • Weak hot water pressure

These are all red flags that your tank needs attention!

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The Annual Water Heater Flush: A Step-by-Step Guide

Ready to tackle this yourself?

Here's how to do it safely: First things first - safety!

Turn off your water heater's power source. For electric heaters, flip the breaker.

For gas, set it to pilot mode. Then, shut off the cold water supply. 

Grab your garden hose and connect it to the drain valve at the bottom of the tank.

Make sure the other end leads to a drain or outside (warning: this water will be hot!).

 Open the drain valve and let it flow.

You might want to open a hot water faucet upstairs to prevent a vacuum lock.

When the tank's empty, flush it briefly with cold water to chase out the remaining sediment.

When DIY Becomes "Don't Try This"

Here's the thing - if you've never drained your water heater before, you might want to call in the pros.

 Years of built-up sediment can be stubborn and sometimes impossible to remove through normal draining.

Plus, if the sediment has hardened, you could deal with blocked valves or internal damage.

Prevention Is Better Than Cure

Want to avoid sediment problems altogether?

Consider installing a scale inhibitor.

Think of it as a bouncer for your water heater, keeping those troublesome minerals from settling in. It's a small investment that can save you big bucks in the long run by protecting not just your water heater, but all your water-using appliances.

Keep Your Water Heater Running Smooth

While you're at it, make these quick checks part of your annual maintenance routine:

  • Test the pressure relief valve
  • Look for any leaks around connections
  • Keep the area around your water heater clear
  • Check that your temperature setting is around 120°F

Remember, a little maintenance goes a long way. Taking care of your water heater now means reliable hot water later - and who doesn't want that?

If you're unsure about any part of this process or find something concerning, don't hesitate to call a professional plumber.

Sometimes, spending a little on maintenance can save you from spending a lot on repairs or replacement down the road.

About the author

Reid Geiler

Reid Geiler is the Vice President of The Geiler Company.