We install, repair, and replace all types of hot water systems across the Northern Beaches, including gas, electric, solar, and heat pump units. We offer same-day replacements for urgent failures, honest sizing advice, and upfront pricing, with licensed plumbers servicing Mosman, Dee Why, Manly, and all surrounding suburbs.
Northern Beaches hot water repairs, installation & servicing
Hot water is one of those things you don't think about until it stops working. When it does, you need a Northern Beaches plumber who can diagnose the problem quickly and get your hot water running again. We repair, replace, and install all major types of hot water systems, helping you choose the right option for your home instead of simply replacing what's already there.
We work with electric storage, gas storage, continuous flow gas, heat pump, and solar hot water systems. We'll recommend a system that suits your household, budget, available space, and existing gas or electrical connections, while explaining the running costs so you know exactly what to expect. Every installation is completed to Australian Standards and backed by manufacturer and workmanship warranties.
Where possible, we offer same-day hot water system replacement, so you're not left without hot water any longer than necessary. If your existing system can be repaired, we'll tell you. If replacement is the better long-term option, we'll explain why. We can also upgrade your hot water system as part of a bathroom renovation or other plumbing work.
How to choose the right system for your home
The best hot water system depends on three things: what fuels are connected to your home, how many people live there, and whether you have solar. For homes with mains gas and a family, continuous-flow gas is usually the cheapest to run and never runs out. For homes with no gas or with rooftop solar, a heat pump generally has the lowest long-term running cost and may qualify for a NSW rebate. Electric storage remains the cheapest to install and the simplest to service, which suits small households, units, and rentals.
Sizing matters just as much as system type. An undersized unit runs out during back-to-back showers, while an oversized one wastes energy keeping water hot you never use. We look at your peak demand and household routine to get the capacity right, and we will tell you which option genuinely makes the most sense for you rather than steering you toward whatever is convenient for us.
On the Northern Beaches, heat pumps suit the mild coastal climate — the air stays warm enough year-round for good efficiency, and many homes already have rooftop solar that pairs naturally with them. Gas continuous-flow remains the default for homes with mains gas due to its low running cost and endless supply. We install all types and give honest advice based on your specific property, not what we happen to stock.
Why hot water fails faster on the Northern Beaches
The Northern Beaches coastal environment is tough on hot water systems. Salt-laden air accelerates corrosion on external tanks, flues, valves, and fittings, particularly in beachside suburbs like Manly, Freshwater, Curl Curl, Collaroy, and Newport. A unit installed externally in these areas can rust through noticeably faster than the same model in an inland suburb, which is why we recommend stainless steel casing and regular anode inspections for exposed installations.
Older homes in Mosman, Balgowlah, Seaforth, and similar suburbs add another layer. Many still have original copper supply lines that shed debris internally over decades, which then clogs the inlet filter of a new continuous-flow unit and causes premature failures that look like a manufacturer defect but are actually a supply-side problem. We always flush and check the incoming supply before connecting a new system, which avoids the early breakdowns that catch less experienced installers.
Coastal exposure, aging pipework, and strata living each create different failure risks. Knowing which suburbs need corrosion-resistant options, which properties need supply-line checks, and how to work within the access constraints of apartment buildings means the system we install is set up to last in the conditions it will actually face.
Hot Water Systems We Service and Maintain
Gas hot water systems
We repair and replace gas hot water systems — storage and continuous flow. Our licensed gas fitters work on Rheem, Rinnai, Dux, and Bosch. Same-day service for gas hot water failures across the Northern Beaches.
Electric hot water systems
Electric storage systems are the most common type on the Northern Beaches. We replace thermostats and elements, and install new systems for homes, units, and rentals.
Solar hot water systems
Solar hot water repairs and replacements for Northern Beaches homes. We work with rooftop panels, controllers, and backup elements to get your system running again.
Heat pump hot water systems
Heat pumps suit the Northern Beaches climate — mild coastal air keeps them efficient year-round. We install, repair, and replace heat pump systems from Reclaim, Sanden, and Dux.
Continuous flow / instantaneous gas
Continuous flow gas systems need correct installation and supply-line flushing to avoid the premature failures common on the Northern Beaches. We install and service all brands.
Maintenance & servicing
Annual inspections, anode rod replacement, tempering valve testing, and system flushing. Regular servicing catches corrosion and sediment before they cause a breakdown, and keeps your warranty valid.
Repair or replace: how to decide
Not every fault means a new system, and not every old system is worth repairing. As a rule of thumb, if your unit is more than 10 years old and starts leaking from the tank or running cold, replacement is almost always better value than ongoing repairs, because the cylinder has reached the end of its life. A newer system with a failed valve, element, thermostat, or thermocouple is usually well worth fixing.
The deciding factors are age, the nature of the fault, and the cost of the repair relative to a replacement. A leak from the tank itself means replacement; a leak from a valve or connection can often be repaired. We give you an honest assessment with the full picture, including the likely remaining life of a repaired unit, so you can make the call that suits your budget rather than feeling pushed into the bigger job.
Warning signs your system is about to fail
Hot water systems usually give you warning before they die completely, and spotting the signs early lets you replace on your terms instead of during an emergency. Rust-coloured water from the hot taps suggests the inside of an electric storage tank is corroding. Water pooling under or around the unit points to a tank or joint leak. Water that runs lukewarm or runs out mid-shower, even after the system has had time to recover, indicates a failing element or an undersized tank.
Other red flags include rumbling or popping noises from sediment build-up, a gas pilot light that will not stay lit, and an energy bill that keeps climbing with no change in usage. If your system is over a decade old and showing any of these, expect it to fail during the next cold snap. Acting on the warning signs means a planned replacement rather than a cold-shower emergency.
Our process
Assessment
We assess your current system, household needs, and recommend the best replacement or repair option.
Quote & select
We provide detailed quotes for different system types and help you choose the right solution.
Installation
We remove the old system, install the new one, and ensure all connections meet standards.
Test & handover
We test the system thoroughly, show you how to operate it, and provide warranty documentation.
What an installation actually involves
A hot water replacement is more than lifting out one unit and dropping in another. We start by assessing your current system, your household demand, and whether the existing location and connections suit the replacement you have in mind. Changing system type, for example moving from electric storage to a heat pump or continuous-flow gas, can involve new electrical or gas work, relocation, and different clearances, all of which we handle and explain up front.
On the day, we safely disconnect and remove the old unit, install the new one to Australian Standards, and make all the water, gas, or electrical connections correctly. We test the system thoroughly, check for leaks, set the temperature safely with a compliant tempering valve where required, and show you how to operate it before handing over the warranty documentation. Doing the unseen connection work properly is what makes the difference between a system that runs reliably for years and one that causes problems within months.
Transparent pricing
Hot water system pricing varies based on system type, size, and installation complexity. We provide detailed quotes including removal of old systems and all installation costs.
- Gas storage systems: from $1,650 installed
- Electric storage systems: from $1,320 installed
- Instantaneous gas systems: from $2,200 installed
- Heat pump systems: from $3,300 installed
- Repairs and servicing: quoted on inspection
Why Choose Our Northern Beaches Hot Water Plumber
Same-day hot water response across the Northern Beaches
Hot water emergencies do not wait for business hours. We answer our phones and attend callouts across the Northern Beaches seven days a week, including public holidays. When your system fails, we aim to get a plumber to your property the same day.
Fully licensed and insured
All our technicians are licensed plumbers with hot water system training. We carry comprehensive insurance and every installation meets Australian Standards, so your warranty stays valid.
Upfront pricing, no surprises
We quote the full price before any work starts, including removal of the old system and all connections. No hidden fees, no call-out charge for genuine emergencies, and we tell you upfront if a repair or replacement makes better financial sense.
Workmanship guarantee on every job
We stand behind our work. New installations come with manufacturer warranties and our own workmanship guarantee. If it is not right, we come back and make it right at no extra cost.
Local knowledge of Northern Beaches conditions
We know which suburbs need corrosion-resistant casing for coastal salt exposure (Manly, Freshwater, Curl Curl, Collaroy) and which older homes need supply-line flushing before a new unit goes in (Mosman, Balgowlah, Seaforth). That local experience means the system we install is set up for the conditions it will actually face.
Trusted Northern Beaches Plumbers
“Hot water system died on a Sunday morning. Called and they had someone out by midday. Replaced the old gas unit with a new Rinnai continuous flow same day. Professional, tidy, and fair price for an emergency job.”
Ashley Bierman
June 2026
“Needed a new hot water system for our unit in Dee Why. They explained the options clearly, including heat pump vs gas, and helped us pick the right size. Installation was clean and on time. Would recommend.”
Jack Schilling
April 2026
“Our electric storage tank started leaking at 7pm. They arrived within the hour, confirmed the tank had rusted through, and had a new system installed by lunch the next day. Great communication and no mess left behind.”
Heather MacDonald
March 2026
Serving the Northern Beaches
Frequently asked questions
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Northern Beaches' Trusted Hot Water Plumbers
No hot water? Give us a call. We repair, replace, and install all major hot water systems across the Northern Beaches. If your system has stopped working, is leaking, or isn't heating properly, we'll find the fault first and let you know if it's worth repairing or if a replacement makes more sense. You'll receive an upfront quote before any work starts.
1300 758 623Available 24/7 for emergency call-outs across the Northern Beaches.