4.7-Stars based on 204 Reviews

24/7 Emergency

Initial Checks When Your Hot Water System Stops Working

Should your hot water system cease to function, perform these initial checks before seeking professional help:

  • Make sure that the power supply to the system is turned on and that any switches or circuit breakers are in the "on" position.
  • Ensure the gas supply valve is open for gas hot water heaters.
  • Check for smooth water flow from the pump to your unit by inspecting valves and pipes.
  • Search for any signs of leaks or drips emerging from the tank, pipes, or valves.
  • For hybrid systems, try pressing the reset button which might reboot and restore functionality.
  • Ensure the thermostat settings are correct to maintain desired water temperature.

While investigating why there’s no hot water, do not attempt to remove covers or panels as there is a risk of electric shock or burns. If you’re still experiencing no hot water after basic checks, it’s time to call a professional plumber to inspect and repair your system.

Identifying Common Electrical Faults Causing Hot Water System Failure

Frequent electrical problems causing hot water system malfunctions often include:

  • Tripped circuit breaker - If too many appliances are running on the same circuit, it can overload and trip the circuit breaker, effectively causing a cut off of power to your hot water heater.
  • Faulty heating element - Inside electric hot water systems, the heating element should effectively heat water. If it is cracked or burned out, it will fail to heat properly.
  • Thermostat failure - The thermostat regulates the water temperature, ensuring water comes to the preferred warmth level and is working properly. If it malfunctions, your heating may become inconsistent, resulting in water that does not heat at all or that overheats.
  • Timer faults can cause interruptions in hot water delivery, leading to erratic heating intervals.
  • Loose wiring connections - Over time vibrations can loosen internal wiring connections resulting in continuity issues.

Repeated breaker tripping, burning smells, or an unresponsive reset button signal a need for further electrical troubleshooting. First, inspect the electrical panel for any tripped switches and visible damage in circuits before seeking a licenced electrician.

If an electrical issue is suspected, safety standards recommend turning off power at the mains.

Tripped Circuit Breakers

A tripped circuit breaker may interrupt power to your water heater as a safety precaution. Promptly locate your electrical panel and check if the hot water system’s specific circuit breaker has tripped.

Try to reset the tripped breaker to the "on" position and see if it remains in place. If it trips again right away, this indicates a serious electrical issue where you need plumber expertise due to risk of damage, injury or fire.

Some causes of a tripped hot water circuit breaker include:

  • Faulty or failing electrical components
  • Overloaded electrical circuit
  • Wiring issues like corrosion or loose connections
  • Power surges from electrical storms

Remember, circuit breakers trip to prevent hazards; avoid tampering with them to bypass the trippage. Doing so risks serious consequences. Seek immediate assistance from emergency plumbers to safely restore your hot water system.

Faulty or Damaged Heating Elements

Failing heating elements are a common reason for a lack of hot water in electric heaters. Alarming signs your heater is failing include a stark lack of hot, water that fails to reach the set warmth, or initial warmth that rapidly turns tepid or cold.

Issues that can cause damage to heating elements leading to premature failure include:

  • Sediment buildup due to hard water causing corrosion
  • Repeated overheating outside of normal cycles
  • Loose wiring connections causing electrical shorts
  • Age and wear after extended use over time

Avoid DIY repairs like replacing heating elements or tampering with wiring; professionals mitigate the risk of electric shock and burns. Doing so may also void manufacturer warranties. Call a licenced plumber to properly diagnose faults and rectify any issues with the hot water system your home relies on as soon as possible.

Troubleshooting Common Plumbing Issues in Hot Water Systems

Some of the most prevalent plumbing problems that can lead to hot water system malfunctions include:

  • Sediment buildup - Over time, scale and mineral deposits can accumulate in the tank which could diminish its efficiency.
  • Leaks - Small leaks in fittings, valves, or pipes can lead to water or heat trickling away from your house’s plumbing system.
  • Faulty tempering valve - If the pressure valve, known as the tempering or relief valve, fails to open when it should, the tank can suffer damage, and constant drainage can occur if it fails to close.
  • Blocked conduits or filters - when debris hampers water from coursing through your pipes, heating efficiency plummets.

Promptly enlist professional help to maintain your hot water supply and avoid the risks of additional damage or warranty invalidation. A licenced plumber should inspect your system to determine if servicing or replacement is necessary. They can then either recommend solutions for problems like flushing to remove sediment or make necessary repairs.

Assessing if your system, given its age and wear, has outlived its usefulness is crucial, whether it needs component replacements or a full overhaul. Upgrading to a top water heater that’s newer and more energy efficient is something to consider if your current system breaks down frequently.

Leaking Pipes or Components

To identify any vulnerabilities, check if your system can show moisture or mineral trails along water lines, valves, fittings, and heater connections. Look for wet areas or mineral deposit trails. Leakage from the tank may be evident from rust spots or water pooling beneath it.

Examine your gas heaters, especially near the burner, for odd noises or smells that could point to leaks. Small leaks may make a faint hissing noise. If you have a gas heater, the additive mercaptan gives natural gas a rotten egg odour when leaking.

Upon confirming or suspecting a leak, immediately close the cold water supply to the heater and check the pilot light. For your gas hot water system, it’s critical to ensure you turn off the gas to the unit safely. To turn off gas supply to your unit, rotate the heater’s gas control valve clockwise to the "off" position.

DIY attempts to patch or replace leaking components can lead to major flooding if the repair fails. Call your licenced plumber to properly inspect your system and perform the necessary repairs or replacements.

Sediment Buildup or Blockages

Gradually, sediment from hard water minerals can collect in your hot water tank and pipes, degrading their efficiency. This scale buildup reduces heating efficiency, capacity and flow. Eventual complete blockages can happen if sediment accumulates excessively.

Descaling involves flushing the system with a diluted acidic solution to dissolve mineral deposits. This may temporarily restore normal function, however descaling is only recommended a few times before a full system replacement is advised.

If considering descaling or clearing blockages yourself, be aware of the associated risks including leaks or damage due to improper pipe disconnection. The descaling process also uses harsh chemicals requiring careful handling. Rather than a DIY quick fix, engage a professional plumbing service for regular inspections by a licenced plumber.

When Professional Repairs or Replacement is Necessary

In many cases, there are several clear signs indicating when it’s necessary to call a professional plumber for hot water system repairs or replacements:

  • The system is aging - Most hot water systems last 8-12 years, and if yours is over 10, turning off more frequently may be a sign that it’s ready for replacement.
  • There’s absolutely no water that comes out when the hot water tap is activated despite troubleshooting efforts.
  • When experiencing low hot water temperatures or you encounter inconsistent heating, these could point to system issues.
  • Unrepairable leaks emanating from the tank or connecting pipes.
  • Noisy hot water systems emitting odd sounds that signify malfunction.
  • High energy bills from an inefficient, outdated system.

Be informed about common hot water issues and the risks DIY repairs pose to systems and warranties. A licenced plumber can accurately assess issues and determine if fixing faults or deciding to replace your hot water system components may restore function. If not, they can advise on a new hot water system, providing quotes for a complete replacement.

Considering Age, Efficiency and Repair Costs

Our experts suggest considering age, efficiency, and repair costs when deciding to repair or replace a deficient hot water system:

  • Age - Most systems last 8-12 years. Older systems just need to develop more problems and have higher running costs due to inefficiency.
  • Efficiency - Modern installations can be more than 30-50% more efficient in operation. Calculate potential savings on energy bills against replacement costs.
  • Repair costs - Evaluate whether numerous repairs are more expensive than installing a new system. However, relatively new systems may be cost-effective to fix.

Our team considers what you can do about functionality issues like insufficient hot water delivery, safety hazards from leaks or faults, and your willingness to tolerate further breakdowns.

Seeking professional advice from plumbers on optimal solutions for your situation is recommended. They can assess repair feasibility and provide quotes to compare replacement options against continually maintaining an ageing system.

Preventative Maintenance for Maximizing Hot Water System Lifespan

Embracing essential preventive strategies can considerably lengthen your hot water system’s life, ensuring you know how to avert early failures and expensive overhauls:

Flush The System

Annual flushing maintains your water heating system by preventing sediment, scale, and corrosion buildup. Preventing blockages helps maintain optimal heating efficiency. Descale the heating elements to avoid overheating and potential failure.

Inspect And Service Relief Valves

Yearly checks on pressure valves are essential to maintain correct hot water pressure and prevent leaks.

Replace Anodes

Anode rod replacement is vital as these components safeguard your tank from corrosion but deteriorate gradually. Testing and replacing anodes every 3-5 years keeps all hot water system components in optimal condition, reducing rust and leaks.

Insulate Pipes

Ensuring hot water pipes are properly insulated preserves heat, avoids wasting water waiting for it to get hot, and may prevent freezing in cold weather.

Upgrade To Efficient Models

Contemporary solar hot water systems can cut heating costs by up to 50%, making the switch from old electric models a cost-saving upgrade.

Yearly plumbing health checks can catch minor issues early, prevent sudden malfunctions, and extend your system’s lifespan.

News & Information

Hot Water System Breaks
What to Do if Hot Water System Breaks Down

A hot water system can break down due to leaks, pilot light issues, faulty parts or age. If you have no hot water, call a licensed plumber to inspect the system and recommend repairs or replacement. We can get your hot water running again fast.

Tree Roots Blocked Drains
How Tree Roots Cause Blocked Drains

Tree roots grow towards underground water sources like leaky pipes and drains. They intrude through cracks and joints into the pipes causing blockages, slow drainage, overflows and damage over time. Signs include gurgling noises, bad smells and sewage backups.

Perform Emergency Gas Shutoff
How to Perform an Emergency Gas Shutoff

During a gas leak or emergency, shut off the gas supply by locating the shutoff handle outside on your gas meter, turning the lever perpendicular to the pipe. Call a licensed gas technician to restore your gas service safely.

Do you need a Castle Hill plumber?



Castle Hill, 2154 NSW

Contact Our Plumbers

We will call back as soon as possible.

Call Now!