Hot Water Systems Repair and Maintenance

If your existing water heater is experiencing issues such as no hot water or a major leak, call All Line Plumbing today.

Call All Line Plumbing Today

Hot Water Heater Repair

Sydney's hot water system experts will quickly and efficiently resolve your hot water heater problems.

The hot water heater specialists specialise in:

  • Solar Hot Water Repair
  • Gas Hot Water Repair
  • Electric Hot Water Repair

All Line Plumbing can not only help with hot water systems and tank water heaters, but also with continuous flow water heaters, solar water heaters, heat pump water heaters and electric to gas hot water conversions.

Common Hot Water System Issues

  • No supply or inadequate flow of hot water
  • Odour or rust coloured water
  • Inadequate and limited pressure of hot water
  • Rumbling or high-pitched noises
  • High energy and water bills
  • Water leakage around base of heater
  • Faulty plumbing installations and water pipe connections

Hot Water Heater Maintenance

Water heaters require regular maintenance to avoid corrosion and bacteria entering the water supply.

The average life expectancy of a hot water system is 9 years and your hot water system should be serviced regularly to ensure it is working efficiently and safely.

Periodic maintenance of your hot water heater can also extend the life of your hot water system.


Temperature Pressure Relief (TPR) Valve

This safety valve releases water and relieves pressure if either the temperature or pressure in the tank gets too high.

These valves can begin to leak and run water either because:

  • the valve has become defective - as the valves age they sometimes begin to leak.
  • the pressure in the tank it exceeding the relief point - due to high main water pressure or a back flow prevention/check valve.

Thermostatic Mixing Valve (TMV)

The TMV is an adjustable and serviceable device which is commonly used in hospitals, child care facilities, nursing homes and disabled bathrooms.

The TMV blends the hot water with cold water to ensure constant, safe shower and bath outlet temperatures, preventing scalding.

The Dangers of Hot Water

The preferred hot water system storage temperature should be continually at or above 60C to avoid water-borne bacteria, such as Legionella, from colonizing.

Thermostatic Mixing Valves are important as they allow for the storage of domestic hot water at the higher temperatures necessary to reduce the risk of Legionella growth in the system.

Tempering Valves

The tempering valves are a throw-away device and should be replaced every 5 years.

This valve pre-mixes the hot water (60C+) from the hot water system with cold water to a controlled and safe temperature to prevent accidental scalding.

These valves may become vulnerable over time to debris carried in the water supply. The filters should be inspected and cleaned to ensure the water can pass the Tempering Valve and deliver your hot water.

To identify the rating of the Tempering Valve the cap will be colour coded:

  • BLUE - Electric hot water heater
  • ORANGE - Solar hot water tempering valves
  • GREEN - Gas hot water heater
  • BLACK - Gravity feed low pressure hot water heater

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