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Why is there no hot water?

A sudden stop in the supply of hot water to your home can be very distressing. There could be a large number of reasons that your hot water system not delivering hot water to your taps.

Common causes of no hot water

Some common causes of no hot water in homes and businesses include:

Loss of power

If you have a gas hot water system, either instant or storage, check the gas supply. Is it still on? Do you have other gas appliances like a cooktop, are they working? Is your gas meter ticking over? If yes you have a gas supply and the fault can be with the appliance.

Electric hot water systems are usually fitted to a dedicated circuit. Check the fuse, circuit breaker, or safety switch has not tripped on that circuit. Is there power to the rest of the house?


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Excessive hot water use

Some days we just use more hot water than others. Whether it's an extra few loads of washing or longer showers on a cold winters day, demand for water heating in your home can fluctuate, occasionally outstripping supply. This is a common issue in homes with an off-peak storage hot water setup. 

System faults

Hot water systems get used at least several times a day in most households or businesses. Over years of use, parts can wear and faults can occur. Routine hot water system servicing and maintenance can help prevent breakdowns, catch issues before they become big problems, and allow hot water repairs to be carried out at a time convenient to you.

Who do I call if I have no hot water?

A plumber, an electrician, or a gas fitter?

Unless you are really sure it is an electrical or gas problem your first point of contact should be your plumber. They will be able to diagnose the issue and recommend a course of action. Many plumbers are licenced to carry out gas fitting which means they'll be able to carry out any gas related repairs as well.

If any electrical work is required your plumber can advise.

Get help with hot water fast

Contact your plumber to check over the hot water heater for faults and repairs as soon as possible. If it is after hours or on the weekend contact an emergency plumber.

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Pure Plumbing Professionals Reviews


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See what our clients are saying about our plumbers

  • Cassandra whitfield from
    Services: Blocked Drains

    Just a note to acknowledge the amazing service provided to us recently by Jeremy and his team. Following on from the unfortunate experience of a blocked sewerage pipe we were informed by another company that we required a boundary trap replacement and, accordingly, were provided with a quote of i...

  • Graeme jones from
    Services: Blocked Drains, Services: Emergency Plumber

    Was not having a Good Friday with a seriously blocked drain problem. Called Pure Plumbing and extremely pleased with the service provided. In the first instance the public holiday call out fee was much more reasonable than others we had called. The plumber arrived within an hour - and even called...

  • Greg hill from
    Services: Plumber, Services: Hot Water

    Thank you for your fast service fixing our leaking shower taps.

  • Gregg from
    Services: Plumber, Services: Hot Water

    Perfect. Thank you once again for all of your great work. The attention to details and quality of craftsmanship shows in your work. I’m truly grateful that you guys are my plumbing team.

  • Heather from
    Services: Plumber

    Hi Jerram A massive thank you for sending Michael to fix our toilet and main bathroom taps - it is a huge change to have working plumbing!!! Can’t thank you guys enough. Have a great day Heather 😊

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