A professional helping with water heater installation and repair.
A professional helping with water heater installation and repair.

Find a professional hot water system contractor in NSW

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4.2

Great rating - 4.2/5 (11114+ reviews)

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Recent Hot Water System Installation & Repair reviews in NSW

Great communication, on time, outstanding knowledge, able to provide advise/ alternative according to the needs very honest and affordable will definitely go back to him again for any plumbing issue. Highly recommended A+

Hot water system repairs

$150

Great work, fast response

Change hot water faucet in a shower

$75

Giovanni immediately found our plumbing issue and patiently explained and demonstrated the options to resolve it. Will use again for future work. Thanks!

Plumber needed for hot water issue in granny flat

$100

Very friendly and great guy. Arrived right on time. Highly recommended.

Adjust Hot Water Tempering Valve Temperature

$100

Great job done by John.

Hot water tank pipe leaking

$150

Foong arrived on time, even on a public holiday, and quickly found and fixed the issue. He also gave good advice on the water system setup, and I would use him again.

Fix hot water

$150

What's the average cost of a hot water system installer in NSW

$103 - $270

low

$103

median

$159

high

$270

Low, median and high bar chart distribuiton

Average reviews for Hot Water System Installation & Repair Services in NSW

based on 561 reviews

4.93

540
11
5
1
4

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Recent Hot Water System Installation & Repair tasks in NSW

Hot water supply and installation quote

$10

Ingleburn NSW, Australia

4th Apr 2026

My roof solarhart water tank leaking, I need to install a new electrical hot water system

Electric Hot water system is not working. Need fixed or replaced

$250

Minto NSW, Australia

3rd Apr 2026

Electric Hot Water system not working. Need fixed or Replaced with new one. It’s big not sure how big maybe around 300 litres. It’s sitting inside the laundry room. Price is Negotiable

No hot water, water tank issue?

$100

Blacktown NSW, Australia

1st Apr 2026

The property has no hot water suddenly. Suspect some issues with hot water tank. Please fix it.

Hot water shower tap leaking . Needs washer

$150

St Andrews NSW 2566, Australia

1st Apr 2026

Bathroom hot water shower tap leaking

Hot water goes hot then warm after mains reset on certain taps in home

$100

Casula NSW, Australia

31st Mar 2026

Hot water system is producing hot water, but certain taps start hot then go warm after a few seconds. Issue affects upstairs bathroom (vanity and shower -no mixer) and laundry. Kitchen tap stays hot. The release water flush valve on outside heater releases very hot water Flow is strong and consistent, only temperature drops. Started immediately after turning mains water off and back on. Suspect temperature / mixing valve issue in system. Looking for diagnosis and fix

Replace pressure valve on hot water system

$150

South Penrith NSW 2750, Australia

31st Mar 2026

Replacement of pressure valve on hot water system

Efficient and lovely guys. Thank you so much.

Disconnect a 50l hot water heater and make good

$90

Budgewoi NSW, Australia

30th Mar 2026

Small Hotwater heater needs to be disconnected and patch wall

Electric Hot Water System Not Heating – (Rheem 315L) Element faulty??

$200

Marsfield NSW 2122, Australia

30th Mar 2026

- Power supply is confirmed ON (no tripped breaker) - Tank is full (pressure relief valve tested) - No visible leaks - Thermal cut-out had tripped and was reset (clicked), but system still does not heat - No further reset click now - Issue started after a temporary water supply outage (possible element overheating/damage) I am seeking a qualified plumber or electrician to: - Diagnose the issue - Test heating element and thermostat - Replace heating element and/or thermostat as required Please include: - Your experience with electric storage hot water systems - Whether you can supply parts - Estimated total cost (labour + parts) Flexible with timing but prefer earlier rather than later :)

Outstanding. Communicated well (both SMS and phone calls) and arrived ontime as scheduled. Promptly identified the issue and rectified.

Plumbing hot watersystem

$1,000

Claremont Meadows NSW, Australia

29th Mar 2026

I want to replace natural gas hot water system & dispose the old one

Repair drip shower head and release airlock in hot water tap for bath

$50

Lilyfield NSW, Australia

12th Mar 2026

Washer/s needs replacing on hot and cold shower tap as shower head is dripping. I don’t have the washers. Airlock to be released on hot water tap for the bath.

Efficient and quick but left black rubber marks in the bath. Should have asked for a towel to put in the bath to avoid marking.

Licensed plumber to inspect gas hot water system

$100

Hornsby NSW 2077, Australia

11th Mar 2026

I’m looking for a licensed gas plumber to inspect an external gas hot water system at my house. Recently I noticed a gas smell when the hot water system is operating. The smell disappears when the system is not running. I would like a professional to inspect the unit and gas connections to make sure there is no leak and that the burner and system are operating correctly. Tasks required: - Inspect the external gas hot water system - Check for any gas leaks - Check burner operation and combustion - Ensure the system is operating safely and efficiently

Inspected the hot water system

Replace hot water tank

$1,000

Macquarie Fields NSW 2564, Australia

10th Mar 2026

Our hot water tank to our granny flat is leaking and needs to be replaced. Its a 129 liter capacity and runs on electricity. Would like to have a new one supplied and installed. The old one will need to be taken and disposed.

Diego replaced and Installed our hot water system and did an awesome yet perfect job. We are so pleased. He comes highly recommended. Thank you Diago!! 😊

Leak on Tempering valve from hot water heater

$200

Marayong NSW, Australia

26th Feb 2026

Small drip coming from the tempering valve on the hot water heater.

Ontime, explained everything and finish the task quickly. Always recommended.

Plumber to replace spindle and washer on hot water tap in bath.

$200

Elizabeth Bay NSW, Australia

25th Feb 2026

Replace broken spindle on hot water tap for bath and re silicone against wall. Onsite parking provided.

Excellent work. Efficient and with good customer service on top.

Plumbing re connect hot water pipes

$250

Petersham NSW 2049, Australia

20th Feb 2026

I am doing my kitchen and need to disconnect/re--commect copper water pipes to fit base cabinet. If we organise the day I can cut pipes and fit cabinet so will just need to reconnect. Pipes will need to be re soldered. The sink down pipe wont need to be touched as I will connect later on so just need to re-cinnect the hot and cold water copper pipes Thanks

Come fast and did job neatly. Great service.

Relocate an electric hot water tank and extension of the pipe

$1,200

Penrith NSW, Australia

6th Feb 2026

Scope of work: - Disconnect the existing electric hot water tank, 315 litre Dux (Brand New) - Move the tank 8–9 metres to a new location behind the house - Install a new concrete slab/base for the tank - Extend hot water piping by approx. 8–9 metres (preferably copper) - Reconnect all plumbing and electrical - Install/replace tempering valve if required - Pressure test, insulate pipes, and ensure the system is fully operational - Remove any old fittings or waste materials Site conditions: - Easy access - No excavation required - Only basic levelling needed for the slab area What I will provide: - Clear access to the work area - Power and parking What you need to provide: - Labour - Materials (pipe, insulation, fittings, valves) - Concrete slab materials and formwork - Tools for full reconnection and testing Preferred timing: Flexible — anytime next week from Wednesday onward

Diego was great to communicate and extremely professional. Quality work and on time delivery. Definitely recommended.

Plumber for leaking hot water pipe + bathroom renovation quote

$150

North Bondi, New South Wales, 2026 Australia

29th Jan 2026

Hot water pipe under bathroom sink suddenly started leaking last night. Hot water turned off at hot water heater stopped leak. Need fix + quote for bathroom renovation

Great plumber. Helpful, efficient. Highly recommend.

Unplug sink blockage and connect hot water to washing machine

$125

Lane Cove West NSW 2066, Australia

25th Jan 2026

Unplug sink blockage and connect (a) hot water to washing machine; and (b) dryer drainage water to the plumbing pipes (versus dryer water tray).

Fast, and efficient.

Hot water system

$20

Mount Druitt NSW 2770, Australia

13th Jan 2026

Need trade person ( licensed ) for hot water system to check Piolet is turning on but readily switches off when burner is being lit.

Great job Ibrahim very fair price thanks

Hot water keeps tripping not sure if I need a plumber or electrician

$200

Norwest NSW 2153, Australia

3rd Jan 2026

Hot water keeps tripping not sure if I need a plumber or electrician :)

Was great efficient and reliable and did everything that needed to be done