The humble hot water system is an essential fixture of any household; something we use each and every day. But like any hard-working household appliance, even the best models are susceptible to niggling problems that can worsen to the point of complete system shutdown.
It certainly pays to know how to identify the big red flags that indicate the imminent failure of your hot water system. These can be anything from strange noises and discoloured water to inconsistent temperatures. Knowing what to look out for and acting on them ASAP can save you from cold showers, costly repairs or even a complete system malfunction.
Let’s get into the telltale signs you cannot afford to ignore.
Fluctuating Water Temperatures
When you step into the shower first thing in the morning, the last thing you want is to be hit with water that chops and changes between hot, warm and even cold. Not only is it a shock to the system, but it’s also a warning sign that your hot water system is in need of replacement or repair.
Potential causes range from:
- A faulty thermostat
- Worn-out heating element
- A build-up of sediment in the tank (for storage hot water units)
Mineral deposits in the water form a sediment that settles at the bottom of the storage tank. That sediment acts as a barrier. This is a barrier you don’t particularly want, as it impedes the heating efficiency of your system. In addition to uneven water temperatures, this sediment formation presents the more damaging long-term effect of the strain it puts on your hot water system.
To dodge this potential issue, regularly monitor your water temperature. If you notice any sudden changes, get on top of them quickly with the aid of a licensed plumber.
Strange Noises from the System
Hot water systems shouldn’t typically make strange banging, popping or rumbling noises. If you should find yours doing exactly that, consider it a warning sign that something isn’t right.
Strange noises like these will occur when – again – sediment builds up at the bottom of the tank and traps water underneath. As the system heats the water, it creates steam and the trapped water bubbles or pops. Over time this build-up can reduce efficiency and even damage the tank.
A noisy hot water heater can also mean a failing heating element or a loose part. Ignoring these noises can lead to bigger problems so act fast. Regular maintenance like flushing the tank can prevent this and professional help will get your system running quietly and efficiently.
A Drop In Water Pressure
If you’ve ever gone to have a shower and turned on the tap, expecting a high-pressure blast but only receiving what feels like little more than a dribble, then you’ll understand the frustration of low water pressure. But aside from the frustrations it presents, low pressure can also unfortunately point to impeding hot water system failure.
Like the fluctuations in water temperature and the strange noises, sediment build-up in your hot water system can also result in low hot water pressure. Over time these deposits can clog pipes, block valves or restrict water flow through the tank. In some cases, a partially closed or faulty pressure relief valve could be the culprit. Ignoring the problem can put more strain on your system and even cause long-term damage.
Regular maintenance like flushing your tank can help prevent these problems. If the pressure drop persists get a licensed plumber to fix it for you.
Rusty or Discoloured Water
Rusty or discoloured water pouring from your bathroom or kitchen taps is a common sign of trouble in your hot water system. This is usually caused by corrosion in the tank or your home’s pipes.
Storage tank hot water systems come with an anode rod, a component that prevents rust in the tank. Over time though, it can wear out, which leads to rust developing. Sediment build-up at the bottom of the tank can also mix with the water and create a murky appearance. Occasional sediment is not a big problem, but consistent discoloured water is certainly an issue that warrants further attention from a licensed plumber.
Addressing it early can prevent leaks or tank failure. Flushing the tank or replacing the anode rod are common and often effective solutions.
Water Leaks Around the Tank
Finding water pooling around your hot water tank or noticing drips is a clear sign of a leak. Hot water system leaks can occur for many reasons ranging from tank corrosion to loose fittings or a faulty pressure relief valve.
Don’t be fooled into thinking you can get away with dismissing even “just a small leak”. These can quickly get out of hand by flooding the area or causing structural problems. Catch and address leaks early by regularly checking the tank and surrounding area for damp spots or puddles.
Should you find a leak, shut off the water supply and call a licensed plumber to fix the problem. Acting fast can save you from costly repairs or replacing the entire system.
Sudden Increases in Energy Bills
Heating water accounts for roughly 25% of energy consumption, so your energy bills should reflect that. If yours has suddenly spiked for no apparent reason, chances are your hot water system is the problem. An inefficient or failing system works harder to heat the same amount of water and, in the process, uses more energy. Common causes include:
- a worn-out heating element
- excessive sediment build-up in the tank
- a faulty thermostat that can’t maintain the set temperature
These issues drive up energy costs while also placing unnecessary strain on the system and increasing the risk of breakdowns. Monitor your energy usage and compare it to previous months to see if there’s an unusual pattern. Act fast and get professional maintenance or repairs to restore your system to peak efficiency and performance.
Why Calling a Licensed Plumber Is The Best Course Of Action
When your hot water system starts showing signs of potential failure, calling a licensed plumber is one of the best things you can do. They have the knowledge and tools to diagnose and fix all of the problems we’ve explored. Attempted DIY fixes can result in further damage. They can even void the warranty of your system or create safety hazards.
A licensed plumber will do the job right and to code, protecting your system and home. They can also advise on maintenance or whether it’s simply time to replace your hot water heater.
Keep Your Hot Water Flowing
Your hot water system is essential to your daily comfort at home, so identifying the warning signs of potential malfunction early on is critical. From temperature fluctuations and weird noises to leaks or rusty water, it pays to NOT ignore these red flags. Acting fast can save you from costly repairs or sudden system breakdowns.
Regular maintenance like flushing the tank or replacing worn-out parts can extend the life of your system and keep it running efficiently. When in doubt always call a licensed plumber to inspect, repair or replace your system safely. With a little attention and timely action, you can have reliable hot water in your home for years to come.