Rheem Hot Water System
A Rheem hot water system is one of the most trusted choices for Australian homes and businesses — and for good reason. Known for reliability, performance, and longevity, Rheem systems are built to handle Sydney’s harsh conditions. At Sydney Hot Water Systems, we specialise in the installation, repair, and maintenance of all Rheem models across the city. Whether you need a new Rheem electric hot water system, a fast replacement, or expert repair, our fully licensed team is ready to deliver top-tier service at competitive prices. Call us today for a free quote and enjoy dependable hot water every day.

Rheem 325L MPi Heat Pump Hot Water System
$3,980.00- 325L Tank capacity is suitable for 2-5 people
- Back up electric element ensures hot water on the coldest of winter nights
- Cuts energy usage
- 5-year warranty
The Rheem 325L MPi Heat Pump Hot Water System is suitable for moderate climates and average size families. These next-generation water heaters capture heat from the air to reduce energy usage and costs even when there’s no sun. Plus over time you’ll bring your carbon emissions down too.
Rheem 400L Electric Hot Water System – Twin Element
$2,630.00- Easy like for like replacement
- Twin element provides a daytime boost for high demand hot water use
- Ultranamel® protects the cylinder with a tough, durable coating
- Thicker sacrificial anode – provides additional protection
- Suitable for off-peak connection, resulting in lower running costs
- Manufactured in Australia
Rheem 400L 4.8kW Electric Hot Water System – Single Element
$2,300.00- Easy like for like replacement
- Ultranamel® protects the cylinder with a tough, durable coating
- Thicker sacrificial anode – provides additional protection
- Suitable for off-peak connection, resulting in lower running costs
- Manufactured in Australia
The Rheem 400L Electric Hot Water System – Single Element is the ideal replacement for your old electric water heater. Perfect for large families, you won’t worry about running out of hot water with its huge 400-litre capacity.
Rheem 400L 4.8kW Electric Hot Water System – Twin Element
$2,600.00- Easy like for like replacement
- Twin element provides a daytime boost for high demand hot water use
- Ultranamel® protects the cylinder with a tough, durable coating
- Thicker sacrificial anode – provides additional protection
- Suitable for off-peak connection, resulting in lower running costs
- Manufactured in Australia
The Rheem 400L Electric Hot Water System – Twin Element is the ideal replacement for your old electric water heater. Perfect for large families, you won’t worry about running out of hot water with its huge 400-litre capacity.
Rheem 400L Electric Hot Water System
$1,920.00Rheem 50L 3.6kW Electric Hot Water System
$599.00- Small diameter – 400mm
- Designed for small space installations
- 7-year cylinder warranty
Hot water for small spaces. The Rheem 50L Electric Hot Water System – Single Element is perfect for tight spots where there’s limited demand for hot water such as apartments, kitchens, offices and canteens.
Rheem 50L 3.6kW Electric Hot Water System – Single Element
$550.00- Small diameter – 400mm
- Designed for small space installations
- 7-year cylinder warranty
Hot water for small spaces. The Rheem 50L Electric Hot Water System – Single Element is perfect for tight spots where there’s limited demand for hot water such as apartments, kitchens, offices and canteens.
Rheem 50L 3.6kW Stellar Stainless Steel Electric Hot Water System – Single Element
$890.00- Compact design to fit into cupboards and under bench
- No anode saves on maintenance and service costs
- Mains pressure, get full hot water pressure to multiple taps
- Australian made
The Rheem 50L Stellar® Stainless Steel Electric Hot Water System – Single Element is perfect for those small under bench installations. Plus, the Stainless steel cylinder and water fittings resist corrosion for longer.
Rheem 50L Electric Hot Water System
$520.00MODEL NO: 191050
Rheem 50L Electric Water Heater
Hot water for small spaces. The Rheem 50L is perfect for tight spots where there’s limited demand for hot water such as apartments, kitchens, offices and canteens.
Rheem 80L 3.6kW Electric Hot Water System – Single Element
$990.00- Small diameter – 480mm
- Ultranamel® protects the cylinder with a tough, durable coating
- Mains pressure, so you can run the tap and the dishwasher at the same time
- 12-year cylinder warranty
Hot water for small spaces. The Rheem 80L Electric Hot Water System – Single Element is perfect for tight spots where there’s limited demand for hot water such as one-bedroom apartments, kitchens and canteens.
Rheem 80L 3.6kW Stellar Stainless Steel Electric Hot Water System – Single Element
$1,180.00- Stainless steel cylinder and water fittings
- No anode, saves you money on maintenance and service costs
- Mains pressure, so you can run the tap and the dishwasher at the same time
- 12-year cylinder warranty
- Made in Australia
Hot water for small spaces. The Rheem 80L Stellar® Stainless Steel Electric Hot Water System – Single Element is perfect for tight spots where there’s limited demand for hot water such as one-bedroom apartments, kitchens and canteen
Rheem 80L Electric Hot Water System
$868.00MODEL NO: 491080
Rheem 80L Electric Water Heater
Hot water for small spaces. The Rheem 80L is perfect for tight spots where there’s limited demand for hot water such as one bedroom apartments, kitchens and canteens.

Rheem Hot Water Systems Installation Service
Having a Rheem hot water system installed correctly makes all the difference in terms of performance and energy efficiency. Our technicians at Sydney Hot Water Systems are experts in hot water systems installation, handling everything from compact residential units to large commercial setups.
We install all major Rheem models, including:
- Rheem 50L hot water system is compact and perfect for small apartments
- Rheem 125L hot water system and Rheem 160L hot water system – great for small families
- Rheem 250L hot water system and Rheem 315L hot water system – ideal for mid-size homes
- Rheem 400L hot water system and Rheem 325L hot water system – suited for high-demand use
- Rheem 20L hot water system – instant and efficient for quick hot water needs
Each installation complies with NSW Fair Trading water heater installation regulations to ensure safety and performance. We also align with the recommendations outlined in the Australian Household Energy Savings Guide to help our Sydney customers maximise efficiency and reduce running costs. Additionally, we provide clear guidance on your Rheem warranty and offer ongoing maintenance to ensure your unit runs smoothly.

Install Your Rheem Electric Hot Water System Today
If you’re replacing an old unit or upgrading to a Rheem electric hot water system, our licensed plumbers handle the process quickly and efficiently. We remove your old unit, safely connect the new one, and ensure everything meets Australian standards.
Not sure if it’s time for a replacement? There are clear signs your hot water system needs repair — such as inconsistent water temperature, leaking tanks, or strange noises. If you’re experiencing any of these issues, our team can assess whether a simple repair will do or if a full replacement is the more intelligent choice.
Here’s what you can expect when you book an installation with us:
- Honest advice on the Rheem hot water system price that suits your needs
- Same-day installation options across Sydney
- Professional testing and quality assurance
- A complete handover, including Rheem hot water systems warranty details
Looking for water heater installers near me? We cover all Sydney suburbs — from the CBD to the Hills District and beyond.
Get a Quote for Rheem Hot Water System Installation
Before you decide, we’ll provide a no-obligation quote tailored to your property’s layout, hot water demand, and budget. Whether you’re considering a Rheem 135L hot water system, a Rheem 250L hot water system, or a highly efficient Rheem heat pump hot water system, our experts will recommend the best fit for your needs and energy goals.
You’ll enjoy transparent pricing with no hidden fees, expert advice on the most competitive Rheem hot water system prices, and complete installation and Rheem hot water heater service support. If you’re unsure which model best suits your home, contact our Rheem hot water system team today for friendly, professional guidance.

Benefits Of A Rheem Hot Water System
Choosing a Rheem means investing in a system built to last. Rheem designs cater to every type of Australian home — from small apartments to busy offices — providing reliable, efficient, and durable hot water for years to come.
Some standout benefits include:
- Energy efficiency: Rheem units help reduce energy bills while maintaining high performance.
- Durability: Quality materials and construction that withstand Sydney’s varying water conditions.
- Versatility: Multiple models, including Rheem instant hot water and Rheem tank water heater systems.
- Warranty coverage: Long-term protection through Rheem’s trusted support network.
When properly installed and maintained, your Rheem can last over a decade with minimal repairs, making it a cost-effective long-term investment.
Enjoy Reliable Rheem Hot Water with Warranty Cover
One of the most significant advantages of owning a Rheem system is its comprehensive Rheem warranty. With proper care and routine servicing, many Rheem models offer warranty coverage ranging from seven to 12 years, providing homeowners with lasting peace of mind.
At Sydney Hot Water Systems, we assist you in registering, claiming, and maintaining your Rheem hot water system warranty to ensure your coverage remains valid. Our professional servicing includes checking pressure and temperature valves, inspecting heating elements, flushing the Rheem hot water tank to prevent corrosion, and ensuring all work complies with manufacturer requirements. This proactive approach prevents breakdowns and keeps your Rheem hot water running efficiently all year round.
Upgrade to a Rheem Heat Pump Hot Water System
If you’re looking to reduce energy costs and environmental impact, upgrading to a Rheem heat pump hot water system is a wise choice. This eco-friendly technology uses ambient air to heat water, allowing it to deliver the same reliable performance while consuming up to 65% less energy than traditional electric systems. It’s an ideal solution for Sydney’s mild climate and households seeking sustainability without compromising comfort.
At Sydney Hot Water Systems, we manage the entire hot water system install process — from safely removing your old tank to professionally connecting and testing your new unit. If you’re ready to upgrade to a more efficient, eco-conscious water heater system, our experienced team will help you choose the best Rheem model to suit your property and energy goals.
What Is the Process for Installing a Rheem Hot Water System?
At Sydney Hot Water Systems, we follow a proven process to ensure every Rheem hot water system installation is safe, efficient, and fully compliant with NSW regulations. From start to finish, we focus on delivering high-quality workmanship and clear communication, so you know exactly what to expect.
- Consultation: Our team assesses your property’s water usage, household size, and energy needs to recommend the most suitable Rheem model.
- Preparation: We disconnect and remove your old unit, conduct plumbing compliance checks, and prepare the site for installation.
- Installation: Licensed plumbers expertly install and connect your new Rheem system, ensuring compliance with all Australian safety standards.
- Testing: We test temperature, pressure, and energy performance to ensure your new unit operates efficiently.
- Warranty & Handover: You’ll receive full details of your Rheem hot water system's warranty, along with maintenance advice to help extend your system’s lifespan.
All work is performed in accordance with NSW plumbing and energy efficiency codes, ensuring your new system delivers reliable performance and peace of mind for years to come.
How Sydney Hot Water Systems Helps with Rheem Hot Water System Services
As Sydney’s trusted Rheem specialists, we do far more than installations. Our licensed plumbers offer regular servicing to maintain efficiency, ensuring your system delivers reliable hot water year after year. We also handle repairs on Rheem hot water tanks and valves, restoring performance quickly and preventing costly breakdowns.
Our team provides expert guidance on how to install hot water system components correctly and safely, backed by years of hands-on experience. We deliver professional support for every Rheem model, including the Rheem Instant Water Heater and Rheem Tank Water Heater. If you’re ready to schedule an appointment or request a quote, please get in touch with us today for fast and friendly service across Sydney.
Why Choose Sydney Hot Water Systems
At Sydney Hot Water Systems, we take pride in being your local Sydney experts. We understand the city’s unique water conditions, building standards, and household energy needs. Every member of our team is fully licensed and insured, ensuring compliance with NSW requirements to guarantee a safe and correct installation or repair.
We offer affordable options with competitive price of water heater packages, paired with a prompt response from trusted hot water system installers. Above all, we maintain a strong customer focus, prioritising reliability, safety, and long-term satisfaction. When it comes to Rheem hot water systems, we’re Sydney’s go-to experts for dependable, cost-effective service backed by genuine industry experience.
Frequently Asked Questions
Typically 8–12 years with proper servicing.
If your unit leaks or takes longer to heat water, it may need replacing.
Yes, we repair elements, thermostats, and tanks for all models.
Yes — we provide 24/7 emergency support across Sydney.
The Rheem 160L hot water system or the Rheem 125L hot water system is ideal.
Every 12–18 months to maintain performance.
Yes, we handle both homes and businesses across Sydney.