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Water Heater Maintenance: Extend Your Hot Water Heater Lifespan

A little preventive maintenance keeps the hot water flowing and extends your water heater lifespan.

 

Introduction

Extend the life of your water heater tank and maintain your water heater’s efficiency and safety with a few minutes of basic maintenance once a year.

Tools Required

  1. Bucket
  2. Plumbers tape
  3. Rags
  4. Slip joint pliers

Materials Required

  1. Pressure relief valve (if old one leaks)

How long is a hot water heater lifespan?

Water heaters often work perfectly for a decade or more without any care, so they’re easy to neglect. But a few minutes of water heater maintenance once a year pays off by extending the tank’s life span and maintaining your water heater’s efficiency and safety. Also, check out: DIY Hot Water Heater Repair.

Project step-by-step (3)

Step 1

Basic water heater maintenance checklist: Check the pressure-relief valve

valve

First, test the pressure-relief valve located on the top or side of the water heater. This valve opens automatically if the pressure inside the tank gets too high. (Excess pressure can actually cause the tank to explode.)

Place a bucket below the discharge pipe on your hot water heater tank and gently lift the lever on the pressure-relief valve to test it. If the valve doesn’t release water when you lift the lever, replace the valve (sold at home centers and hardware stores). Replacement is simple; turn off the water, drain the tank, unscrew the discharge pipe and then unscrew the old valve. Wrap the threads of the new valve with sealant tape and screw it in. If your valve is several years old and has never been tested, it might leak after you test it. In that case, replace the valve.

Next, close the shutoff valve on the cold water supply pipe that feeds the water heater. Then turn on the hot water at any faucet to release the pressure inside the heater’s tank. Leave the faucet on until you finish your work. If you have an electric heater, turn off the power at the main panel. With a gas heater, turn the gas control dial to “off.”

How to Adjust Hot Water Heater Temperature

Step 2

Drain sediments from the hot water heater tank

Drain

Drain the tank to flush out sediments that have settled to the bottom of the tank. Sediment buildup shortens the life of your water heater and adds to your energy bill by reducing its efficiency. Draining 2 or 3 gallons of water is usually enough to flush out sediments, but always let the water flow until you no longer see particles in the bucket. Open the drain valve slowly and let the water run until it’s clear and free of sediments.

The water is hot!

Step 3

Gurgling or groaning noises

hear9NONG/SHUTTERSTOCK

Don’t worry about any gurgling or groaning noises coming from the heater; it’s just air entering the system as water drains out. If the drain valve won’t close tightly when you’re done, drain the tank completely, unscrew the old valve and screw in a new one. To restart the water heater, open the shutoff valve and let the hot water run at any faucet to purge air from the system. Then turn on the power or relight the pilot.

Set your water heater’s dial to 120 degrees F. If the dial doesn’t have numbers, check the water temperature with a cooking thermometer. Higher temperatures increase sediment buildup and the risk of scalding injuries.

Thank you FamilyHandyman for these tips.

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