Hot Water System

Hot Water Systems
Blue Mountains

EXPERTS IN THE REPAIR, INSTALLATION AND MAINTENANCE OF HOT WATER SYSTEMS.


Lexicon Plumbing has been providing professional hot water system services for over 15 years. Whether you are looking to install a new hot water system or need to have your existing hot water system looked at and fixed, our team will deliver quality work and exceed your expectations.

We Are Your Local Hot Water System Specialists

Water heating systems are one of the most important parts of your home. Having access to hot water for bathing, cleaning and other tasks is a major convenience that many of us take for granted. And in areas prone to very cold weather, having a good quality hot water system can ensure your home remains safe and comfortable all year round.


That being said, it's safe to say that if your water heating systems are not working correctly, it can be a huge hassle for you. That's why it's important to have qualified and experienced plumbers on hand to help you with any problems that you might have with your system.


At Lexicon Plumbing, we have a team of highly trained and experienced hot water system plumbers who are ready to help get your system up and running again so you can get back to enjoying your hot showers and baths. We also offer installation and replacement services for all types of hot water system units.

Call 0488 860 702

Signs Your Hot Water System Needs Repair

A hot water system is essential to any home, providing hot water for cooking, cleaning, and bathing. However, like any other appliance, water heaters can break down over time and may need to be repaired or replaced. Here are some signs that your water heater needs attention:

  1. Your hot water system is leaking.
  2. Hot water is brown and rusty in colour
  3. There is no hot water coming from your taps.
  4. The hot water coming from your taps is not as hot as it used to be.
  5. You hear strange noises coming from your water heater.

If you notice any of these problems with your hot water system, get in touch with Lexicon Plumbing and we'll send a hot water specialist to assess and address the issue right away.

Replacement and Repair Service

If your hot water unit is not working properly, we can replace it or repair it. We have a wide range of replacement parts for all types of hot water units. We can repair the damage within 24 hours of it being reported to us.

Hot Water Units That We Can Install, Repair and Replace for You

When it comes to hot water system units, we like to provide our clients with options. Whether it's electric, gas or solar, we've got your installation and repair needs covered.

What Our Customers Say About Our Hot Water System Repairs & Replacements

Testimonials From Our Satisfied Customers

Frequently Asked Questions

  • What is the most efficient hot water heating system?

    The most efficient hot water heating system is usually considered to be solar. A solar hot water system only needs the sun's energy to heat up the water, allowing you to save money on energy costs. They're also the more environmentally friendly option since they use renewable energy, as opposed to other heating systems that rely on non-renewable energy sources like natural gas or electricity.

  • What are the three main types of hot water systems?

    There are three main types of hot water heating systems: electric, gas-powered, and solar. Electric hot water systems are typically the most cost-effective option for people living in urban areas with access to electricity. Gas-powered systems run on natural gas or LP gas and are cheaper to run and better for the environment than those powered by electricity. Solar hot water systems solely rely on the sun's energy to heat up the water, making them ideal for those living in areas that get plenty of sunlight throughout the day.

  • Why is my hot water not working?

    Your hot water system might not be working for a number of reasons. It could be due to a lack of power or insufficient wiring, an issue with the thermostat, or a build-up of sediment in the tank. If you notice that your hot water system is inconsistent in temperature, or not heating up at all, it's important to get this checked out by a hot water specialist as soon as possible. Ignoring these signs could put you at risk of costly repairs, or worse, needing to buy a new hot water system.

  • How do I fix my hot water?

    If you have an issue with your hot water heater, it's important to first diagnose the problem. Different troubleshooting steps may be necessary depending on the type of system you have.


    Generally speaking, start by checking the thermostat to see if it's not working properly and give it a reset if needed. Thermostats sometimes malfunction due to a power cut, and a good reset might get it back to working normally again.


    Then, move on to the pipe joints and tank to check for leaks. Leaks from the pipework joints can usually be fixed by tightening the fittings or with the help of a plumber's tape. Leaks from the tank, on the other hand, are often difficult and costly to repair, leaving with you no other choice but to replace it.


    The problem might also be caused by low water pressure in your home. Check your main water shutoff valve and make sure that it's fully open. You can also use a water pressure gauge to test your water pressure.


    If you are unable to identify and fix a problem yourself, it's always best to contact a hot water service professional from Lexicon Plumbing for help. We offer emergency hot water repairs to our clients throughout the Blue Mountains and Penrith areas.

  • Can I install a hot water heater myself?

    Installing a water heating system is a task best left to the professionals. It can be complex and dangerous, requiring knowledge of local codes, proper safety practices, and experience with plumbing and gas lines. On top of that, many systems require special tools or equipment that an inexperienced homeowner may not have access to. If you choose to pursue DIY installation, it's important to do extensive research ahead of time and make sure you understand all of the potential risks and requirements. But we don't really recommend going the DIY route.

  • What is the cheapest hot water system to run?

    Solar hot water heaters are an increasingly popular option for many households. Not only are they more environmentally friendly than other systems, but they also have the potential to be the cheapest hot water system to run in the long term as they are powered by sunlight. Solar energy is free and renewable, which means there will be little to no recurring costs associated with maintaining a solar water heating system. Additionally, many governments offer generous incentive programs to encourage people to switch to solar energy, making it even more cost-effective.

Blue Mountains, Greater Western Sydney, Hills District and South West Sydney Hot Water System Repairs & Replacements

We have team members throughout the Blue Mountains and Penrith areas, so we offer fast response times in most suburbs including Blackheath, Katoomba, Leura, Wentworth Falls, Lawson, Hazelbrook, Faulconbridge, Springwood, Winmalee, Blaxland, Glenbrook, and Emu Plains.

Plumbing Services You Can Count On.

Keep your plumbing problems under control with Lexicon Plumbing.

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