With over 250+ unit installs, there is no unit too big or too small that we can't handle. Tight spaces to under houses, we are the experts in clean, professional and hassle free hot water.
Sick of skyrocketing energy bills?
Want to get your hot water unit job done ASAP rather than months away?
Tired of wondering if your system will give you
Don't worry, we can help!
Here's Everything You Need to Know About Hot Water Upgrades!
Clear answers to the most common questions homeowners ask before upgrading.
Signs include inconsistent hot water, rusty or dirty water, strange noises from the tank, leaks around the unit, or the system being over 7–12 years old.
The best option depends on your household size, energy source (electric, gas, solar), and usage. We can recommend storage, instantaneous, heat pump, or solar systems based on your needs.
Most standard replacements take 2–4 hours, depending on the system type and installation requirements.
Yes. In most cases we can provide same-day supply and installation if your system has failed.
Yes. If the issue is minor (such as a thermostat, element, or valve failure) we can often repair the system rather than replace it.
What size hot water system do I need?
As a general guide:
1–2 people: 160L–250L
3–4 people: 250L–315L
5+ people: 315L+ or continuous flow
Costs vary depending on the system type and installation. We provide upfront quotes before any work begins, so there are no surprises.
Yes. We supply and install all major brands and ensure the system is installed fully compliant with Australian plumbing standards.
Turn off the water supply or isolation valve to the unit and contact a plumber immediately to prevent further damage.
Yes. Heat pump and solar hot water systems are highly energy efficient and may reduce your energy bills significantly.
Yes. Most systems include manufacturer warranties ranging from 7–12 years, depending on the brand and model.
Yes. We handle disconnection, removal, and environmentally responsible disposal of your old unit as part of the installation.
Save Money Every Month
Lower running costs that pay you back month after month.
Set & Forget Reliability
Never have think about your hot water again.
Built for Long-Term Value
You’re investing once and protecting yourself for decades to come.
Smart Placement, Real Efficiency
Maximum efficiency means faster payback and less maintenance.
One-Day Installation
You get instant peace of mind and minimal disruption to your week.
Local Experts You Can Actually Call
Fast, personal service from a team that stands behind every job.
Lifetime Workmanship Guarantee
If anything ever fails because of our workmanship, we’ll fix it, for free!
Cleanliness Promise
We leave every site spotless, no mess, no muddy boots, no excuses.
Communication Promise
Maximum efficiency means faster payback and less maintenance.
Same-Day Installation
You get instant peace of mind and minimal disruption to your week.
Local Experts You Can Actually Call
Fast, personal service from a team that stands behind every job.
I'm the owner of Graywater Plumbing
We’re a local plumbing company based right here in the Clarence Valley focused on quality workmanship, clear communication, and reliable service.
From hot water systems to full-house fit-offs, our goal’s simple, do it once, do it right, and leave every job cleaner than we found it.
If you’re after a plumber who actually calls back, you’ve found one.
Trusted by homeowners across the Clarence Valley for fast, reliable hot water replacements
Backed by lifetime workmanship guarantee and 7-year system warranty on every install
Partnered with leading brands like Rheem, Rinnai & Thermann for proven performance and efficiency