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Can a Plumber Work on a Water Heater? What You Need to Know

Jan 21, 2025
Plumber Repairing A Water Heater

Are you unsure of what to look for when finding a plumber to fix your water heater? Sometimes, it can be a challenge to find the best person for the job, but it’s essential to choose a qualified plumber with the right qualifications to repair and install them. 

According to this Energy Rating article, water heating makes up around one-quarter of all energy use in Australian households, so choosing the right water heater (and keeping it in good condition) can result in big savings on energy bills and year-round comfort. From the conventional storage tank to hybrid water heaters and solar heating, a plumber can service your system so it’s heating properly.

Whether you have concerns about your heater not working properly or are curious about what services a plumber can provide, this blog is your best guide!

Role of Plumbers in Water Heater Maintenance

Plumber Fixing Water Heater

Can a plumber work on a water heater? Yes! A plumber is trained to handle complex plumbing connections, water supply lines, and drainage. 

Although an electrician can be involved if the hot water heater needs electrical connections, they do not have the tools to touch a hot water heater installation (such as wrenching on-the-pipe connections). The installation of water heater conduits and wires is already there, so there’s no need for an electrician to determine wire sizing, for example. 

So, how can a plumber help you with water heater maintenance?

  • Inspection and diagnosis, such as checking for inconsistent water temperature or slow heating and detecting issues like leaks, sediment build-up, and faulty components.
  • Flushing the tank to get rid of sediment.
  • Check the anode rod (which prevents corrosion) and replace it if needed.
  • Inspecting and replacing the temperature and pressure relief (TPR) valve or the drain valve.
  • Fixing worn-out pipes, fittings, or insulation to prevent further damage.
  • Make sure that your water heater complies with relevant standards and regulations, such as the AS/NZS 3500 for plumbing and drainage.
  • Upgrading or replacing the water heater to a more energy-efficient one.
  • Create preventative maintenance plans to help you avoid expensive repairs and extend the lifespan of your water heater.

If you’re worried about a potential problem, what should you check for first?

Check the circuit breaker and the pressure relief valve. Test the pressure relief valve to see if you can make water pass through the overflow pipe. If no water is flowing, your water tank might need a refill.

But if you keep having the same problem over and over with your thermostat or circuit breaker (or just don’t know what these are) call up a professional who knows what to do.

On the other hand, what can an electrician fix? Electricians deal with every electrical component of the system. When your circuit breaker doesn’t stay on, an electrician is responsible for fixing this.

Likewise, if your water is warm and not hot enough, the thermostat or off-peak switch in your electric hot water system can be the cause. Sometimes, with solar hot water systems, the booster can cause temperature issues.

That said, there are many things a licensed plumber can support you with./

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Common Water Heater Issues Plumbers Can Address

Let’s take a look at some common issues that a plumber can tackle.

Leaks

If you notice a frustrating leak in your hot water system, your unit or plumbing system most likely has a burst pipe. Ideally, you don’t want to be leaving a leak unattended for too long, so make sure to contact emergency plumbers as soon as possible.

When you do suspect a leak, always switch off your water supply because you don’t want water continuing to leak, flood, or damage your property. Water damage is a big no!

Strange Noises

Gurgling, knocking, or clanking noises mean a problem with your hot water unit. Over time, sediment and minerals can build up inside the water tank, causing it to clog and not perform as well.

Similar to the way an air conditioner stops blowing cool air if it’s full of dust, the build-up can cause strange noises as your system works harder to heat the water!

No Water Pressure

If you’ve ever gotten into the shower and experienced low water pressure, you know it’s not the best experience.

Loss of water pressure in your hot water system can impact your water bills or cause dripping sounds in the walls and ceilings, or you might have a bigger problem with your plumbing. Even a concealed, minor leak can cause a big issue!

Fluctuations in Temperature

Does your water go from hot to cold within seconds while you’re in the shower or just trying to wash your hands? The tempering valve could be failing, or the heating element could be damaged.

A qualified plumber can access your situation, make any necessary hot water repairs, and get your hot water flowing the way it should be.

Rusty or Discoloured Water

If your water is slightly discoloured or rusty when you turn on the tap, it’s a good idea to reach out to hot water specialists.

What causes the discolouration? Sediment buildup or corrosion inside the tank is a common cause, and experienced plumbers can flush the tank or determine whether you’ll need a new unit.

When do you call up an electrician?

In complex cases with electrical wiring, you may need the help of an electrician as well as a plumber. 

  • There’s a burning smell coming out of your water heater. Melting or burning smells is a hazardous situation and can spark electrical fires. If you smell burning, turn off your electrical supply immediately and call an electrician.
  • You can see sparks when your water heater is operating. Sparks cause fires and electrocution, so don’t take any chances.
  • Crackling or buzzing noises from a failing heating element, corrosion, or loose wiring in your system.
  • Zero hot water. Although loss of water pressure means that you require a plumber, no water at all means you need the expertise of an electrician. Your hot water system could have an issue with electrical components.

Want to learn more about our general plumbing support from Solutions Plumbing? Here are the top signs you need to call an emergency plumber immediately!

Importance of Professional Installation and Maintenance

Let’s take a look at why professional involvement from licensed plumbers is so important:

Your system is installed correctly

Connections such as gas, electricity, and water are correctly and safely installed so you’re not at risk of malfunctions.

The hot water system is compliant with local building and safety codes, so you’ll meet all legal and safety requirements.

It keeps you safe

Professionals check for leaks and ensure proper ventilation to prevent carbon monoxide buildup.

Electrical connections are handled to avoid short circuits or fire hazards, and pressure control is tested and installed safely.

Your system works better

A professional plumber calibrates the system so it operates at maximum efficiency, cutting back energy consumption and costs due to an undersized or oversized unit. The water heater will be the correct size for your household.

It lasts longer

A licensed plumber flushes your tank, replaces the anode rod, and inspects components for wear and tear.

By identifying and addressing small issues, this prevents water system issues such as premature wear and tear. No one likes to lose access to hot water, after all!

Are you dealing with a multitude of plumbing problems? Here are quick and easy solutions to stop a leak until the plumber arrives

Contact Us Today
Call Now for Expert Plumbing
Get 24/7 plumbing services from licensed experts with quality assurance at reasonable rates.

Costs Associated with Water Heater Repairs

According to this CanstarBlue article, the average cost to install a hot water system can range from $1,000 to upwards of $7,000. What contributes to price is whether or not you’re upgrading or switching to a brand new system, and this costs more if you need more equipment or connections.

Solar hot water systems, for example, are energy-efficient; however, they’re more expensive, ranging from $3,000 to $7,000. Replacing a hot water system is usually cheaper as the hardware (such as the backup system and configuration of the roof) is already in place. The only thing that would need replacing is one or two solar panels and valves. 

What do you need to think about when installing a hot water system?

  • What is your household’s water usage? You can figure out what unit might be more economical.
  • What is your ideal tank size? Larger tank sizes cost more upfront, for example.
  • What type of system are you looking for? 
  • Think about labour costs, as all hot water systems need to be put in by a licensed, insured plumber (and in some cases, an electrician). 

Do you need a reliable hot water service in Kew, Glen Iris, Preston, St Kilda, Brunswick, or your Bundoora residential property? Solutions Plumbing can guide you through the process.

Hot Water Service for Melbourne Residents: Call Us!

Whether you’re considering investing in a hot water system to save money on your energy bills or just want to make sure you have hot water at all times, Solutions Plumbing can respond with over 12 years of experience. 

Always aiming to work hard without cutting corners, we are your reliable, affordable plumber with transparent pricing, environmentally friendly practices, and comprehensive services you can count on.

Contact us today by emailing info@solutionsplumbing.com.au or call 0448 535 629 for 24/7 emergency services, support with blockages, inspecting drainage and repairs, or CCTV inspections.

Note: Depending on how much wiring is involved, you may need both a plumber and an electrician for new wiring installations for water, gas and electrical. Solutions Plumbing can help you figure out what is best for you.

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