Rheem Eclipse 18kW Instant Hot Water | Supply+Install | LIFETIME WARRANTY -
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Rheem Eclipse 18kW Instant Hot Water | Supply+Install | LIFETIME WARRANTY

Hot water, hassle-free. This Rheemis built for families who value reliability, efficiency, and peace of mind. With expert installation and unbeatable service, you’re in the best hands!
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Quick Specs & Benefits
  • πŸ”’ Model: 6C318
  • πŸ“¦ Volume: 7L
  • πŸ“ Width: 226 mm
  • πŸ“ Height: 470 mm
  • πŸ“… Maximum Warranty: 5 Years
  • πŸ’‘ LED/LCD Status Indicator: Yes
  • 🌍 Made In: China
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Regular price $2,399.00 Sale price $1,999.00
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βœ“ Installed hot water packages available in eligible JR Gas & Water service areas
βœ“ Free delivery included with eligible installed packages
βœ“ Licensed installation available across Brisbane, Logan, Redlands, Ipswich, Moreton Bay and Gold Coast service areas
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For instant electric water heater installations with non-standard pipework, tight access, switchboard or power supply requirements, relocation work, limited wall space, or uncertainty around the correct unit size, our team can confirm the best option before you book.

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βœ” Service by Licensed Professionals  β€’  βœ” Fixed Price Services

🏷️ Brand – Rheem
πŸ”’ Model Number – 6C318
πŸ“¦ Volume – 7L
πŸ“ Width – 226mm
πŸ“ Height – 470mm
🌍 Manufactured In – China
πŸ› οΈ Cylinder / Heat Exchange Material –
πŸ›‘οΈ Cylinder / Heat-Exchange Warranty – 5 Years
πŸ”‡ Noise Level – dBa
βš–οΈ Dry Weight – kg
⚑ Energy Source –
πŸ“‘ WiFi Controller Built-in or Compatible –
⏲️ Built-In Timer –
πŸ’‘ LED/LCD Status Indicator – Yes
πŸ“Š Coefficient of Performance (COP) –

Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater Installation in Brisbane & Gold Coast

If you are looking for Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater installation in Brisbane or the Gold Coast, JR Gas & Water provides practical advice, supply and installation, and professional replacement services for properties that suit this style of unit. The Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater is a 3 phase continuous flow electric hot water system designed to heat water on demand without a storage tank, making it a strong option for properties that want a compact, modern electric system with fast temperature delivery and precise control at the tap. For the right home or apartment, it can be a smart solution for hot water replacement, a like-for-like changeover, or a new supply and installation where the electrical setup and usage pattern are a good match.

What Is the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater?

The Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater is a 18kW 3 phase electric continuous flow unit. Instead of storing hot water in a tank, it heats water as it passes through the system, which helps save space and suits properties that want hot water only when it is needed. This model is designed to provide fast temperature delivery and is suitable for settings where consistent control and compact installation matter.

It features a touch screen display, adjustable temperature control, and three memory modes for preset temperatures. It is also available in site-specific output configurations, including 50 degree and 60 degree maximum settings, which helps match the system to the property requirements. With concealed connection options through the wall or from below, it is designed for a neat and flexible installation outcome in the right location.

Why Choose the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater?

One of the main reasons people choose the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater is because it offers on-demand hot water in a compact format without the footprint of a storage tank. For the right property, that can mean a cleaner installation, less space used, and quicker access to controlled hot water where a traditional tank is not the best fit.

This model also stands out because it is built around temperature accuracy and ease of use. The touch screen display, memory settings, and fast temperature delivery make it a more refined option than a basic entry-level electric instant unit. Its low activation flow rate is also a practical feature in properties using low-flow tapware, helping it respond better in modern installations.

The Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater will also appeal to buyers who want a recognised brand and a more premium user experience rather than simply choosing the cheapest electric hot water option available.

Is the Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater Right for Your Home?

The Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater can be a good fit for homes, apartments, and similar properties where 3 phase power is available and where a continuous flow electric system makes sense. It may suit properties that want a compact tankless unit for lighter to moderate demand, especially where fast and accurate hot water delivery is important and where space is limited.

It may be a practical option for certain apartment-style installations, smaller homes, or replacement jobs where a comparable electric continuous flow setup is already in place. It can also suit properties where a storage tank is not preferred and where the electrical capacity supports this type of system. Compared with the larger 27kW model, the 18kW version is more suited to lower-demand applications and sites where the available electrical load is more limited.

It is not the right answer for every home though. Electric continuous flow systems depend heavily on the available electrical supply and the expected hot water demand at peak times. If the property does not have suitable 3 phase capacity, has heavier simultaneous demand, or would be better served by a storage system, heat pump, or gas continuous flow unit, another option may be more practical. JR Gas & Water considers household use, installation location, power supply, access, and whether the job is a straight replacement or a more involved upgrade before recommending the installation path.

Why Choose a Quality Hot Water System Instead of a Cheaper Alternative?

A hot water system is not just about what it costs to buy on the day. It is also about how well it performs once installed, how easy it is to live with, and how reliable it is over time. A recognised model like the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater gives homeowners and property owners more confidence in product quality, controls, support, and long-term value than many low-cost alternatives.

That matters even more with a system like this because electric continuous flow units rely on accurate control, responsive heating, and the right installation setup to perform well. A better-quality unit can deliver a noticeably better ownership experience through more stable temperature delivery, easier controls, and stronger support if service or replacement parts are needed later.

For many buyers, choosing a better hot water system up front is really about reducing the risk of poor performance, limited support, or early disappointment. When a system is being installed into your property, long-term confidence often matters more than the smallest upfront saving.

Professional Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater Installation in Brisbane & Gold Coast

JR Gas & Water provides professional Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater installation in Brisbane & Gold Coast for customers who want the system installed properly to suit their property, services, and daily hot water needs. We take an installation-led approach because even a compact electric continuous flow unit needs to match the available power supply, plumbing layout, mounting position, and expected usage if it is going to perform properly.

For systems like the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater, the installation is not just about mounting the unit on a wall. It also needs to suit the available 3 phase power, circuit requirements, water connections, access, and whether the desired temperature setting aligns with the site requirements. That is why hot water installation in Brisbane or hot water installation on the Gold Coast should be assessed as a real installation job, not just treated as a product delivery.

JR Gas & Water services Brisbane and the Gold Coast, along with surrounding areas including Logan, Ipswich, Moreton Bay and Redlands. Whether you need a straight hot water replacement in Brisbane or a new electric continuous flow unit installed by licensed professionals, we help make sure the system and installation path are right for the property.

What’s Involved in Installing the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater?

A standard Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater installation will usually involve supplying the genuine unit, removing the old system where applicable, mounting the new heater in a suitable location, connecting it to existing plumbing and electrical services where those services are suitable, testing the unit, commissioning it, and providing basic operating guidance.

As with most hot water replacements, final installation scope depends on what is already at the property. Some jobs are straightforward like-for-like changes, while others may require extra works to bring the installation into line with current requirements or to make the new system function correctly. Depending on the site, that may include isolation work, electrical upgrades, circuit changes, switchboard work, pressure control items, pipe adjustments, or relocation-related work if the new unit is going in a different position.

Because this is a 18kW 3 phase electric continuous flow water heater, electrical suitability is one of the main considerations. If the property does not already have the right supply and circuit setup, extra electrical works may need to be quoted separately. JR Gas & Water keeps the process practical and clear so customers understand what is standard, what may vary, and what may be needed for a safe and compliant installation.

Why Choose JR Gas & Water?

JR Gas & Water is not just supplying a product. We help customers choose the right hot water setup for their property and make sure the installation suits the existing system, plumbing layout, power supply, and intended use. That matters with a model like the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater, because the right result depends just as much on installation suitability as it does on the product itself.

Customers choose JR Gas & Water because we understand real hot water replacement work in real homes and apartments, not just brochure features. We look at whether the current system is a straight replacement, whether an upgrade is needed, whether the mounting position works, and whether the available electrical services make sense for the unit. For homeowners and property owners looking for reliable installers in Brisbane or the Gold Coast, that practical approach helps reduce guesswork and leads to a better installation outcome.

Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater Installation FAQs

How much does Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater installation cost in Brisbane or the Gold Coast?
The final cost depends on whether it is a straightforward replacement or whether extra electrical or plumbing works are required. A like-for-like installation is usually simpler than a job that needs switchboard, circuit, or relocation changes.

Is the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater right for my home?
It can be a good option if your property has 3 phase power and your hot water demand suits a lighter to moderate continuous flow electric system. It is not the best fit for every property, so usage patterns and electrical capacity should be checked first.

What is included in a standard Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater installation?
A standard installation usually includes supply of the unit, removal of the old system where applicable, installation to suitable existing services, testing, commissioning, and basic handover. Any additional works needed at the property can be quoted separately.

Can the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater replace my current system?
In many cases, yes, but suitability depends on what system you currently have and whether the property’s electrical setup supports this type of unit. Straight replacements are generally simpler than conversions from a different system type.

Can JR Gas & Water install the Rheem Eclipse 18kW 3 Phase Continuous Flow Electric Water Heater in my area?
JR Gas & Water installs hot water systems across Brisbane, the Gold Coast, and surrounding service areas. If you are unsure whether your property is within range, we can confirm serviceability and the best installation path for your location.

Electric Continuous Flow Hot Water System Package Selection Guide

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Choosing the right electric continuous flow hot water system package depends on your installation requirements, household size, and whether additional electrical or plumbing work is needed. Use this guide to compare package levels and find the best fit for your home.

Selecting the right package helps streamline installation, but we understand that needs may change, and that the purchaser isn’t a plumber. We’re flexible and can make adjustments, such as upgrading to the next package as needed.

πŸ’‘ Which Package is Right for You?

βœ… Base – For compliant replacements
Ideal for direct swaps where the existing system meets compliance. No extra plumbing or electrical work included.

(EXAMPLE - A Stiebel DEL27 replacing complaint Stiebel DEL27 not a Stiebel DHE27)

βœ… Silver – For minor upgrades
Includes pipework alterations and a valve kit but does not include electrical modifications or system disposal. Designed for those swapping a similar system and working to a tight budget.Β 

(EXAMPLE - Swapping a 10year old Stiebel DEL27 with a new Stiebel DEL27 where the existing installation is good but requires pipework alterations to adapt the new unit and new valve set for warranty)

πŸ† Gold (Best Seller) – For standard installations
Covers old system removal and plumbing modifications, making it the most common choice for standard installations.

(EXAMPLE - Swapping a 20year old Stiebel DHB21 with a new Stiebel DHB21, Strip all down and redo the valves, pipework and dispose of the old unit)

πŸ’° Sapphire (Best Value) – For installations requiring electrical work
Adds electrical safety features like an isolator, safety switch, and cable extensions to ensure a compliant and safe electrical connection.

(EXAMPLE - Swapping an old Stiebel DEL27 for a Rheem Eclipse 27kW with electrical changes required to adapt the new system, then strip all down and redo the valves, pipework, and dispose of the old unit)

βœ… Diamond – For homes needing extensive electrical work
Provides extra plumbing and electrical modifications, including a new electrical circuit, making it ideal for homes without existing wiring for an electric system.

(EXAMPLE - Swapping an old electric storage type system with a new instant electric unit that needs its own dedicated 3 Phase electrical circuit, then strip all down and redo the valves, pipework, and dispose of the old unit)

βœ… Platinum – The ultimate package
Includes everything – system relocation, extensive plumbing and electrical upgrades, and a new electrical circuit for complete installation flexibility.

(EXAMPLE - Replacing any existing system of any type then relocating it to a new position on the house that requires the electrical/plumbing to be installed or relocated to the new installation position)


πŸ† Package Comparison Guide

Feature Base Silver Gold πŸ† Best Seller Sapphire πŸ’° Best Value Diamond Platinum
Existing Unit Must be Identical Make/Model/Series as Purchase βœ… ❌ ❌ ❌ ❌ ❌
Form 4 (Compliance Certification) βœ… βœ… βœ… βœ… βœ… βœ…
Pipework Alterations ❌ βœ… βœ… βœ… βœ… βœ…
Valve Kit (Required for System Operation) ❌ βœ… βœ… βœ… βœ… βœ…
Included Altered Pipework (m) ❌ 2m 8m 8m 8m 20m
πŸ† Package Comparison Guide Base Silver Gold πŸ† Best Seller Sapphire πŸ’° Best Value Diamond Platinum
Waste & System Disposal (Old System Removal) ❌ ❌ βœ… βœ… βœ… βœ…
Electrical Isolator (Ensures Safe Operation & Maintenance Access) ❌ ❌ ❌ βœ… βœ… βœ…
Electrical Extension ❌ ❌ ❌ βœ… βœ… βœ…
πŸ† Package Comparison Guide Base Silver Gold πŸ† Best Seller Sapphire πŸ’° Best Value Diamond Platinum
New Electrical Circuit (For Homes Without Existing Power Supply) ❌ ❌ ❌ ❌ βœ… βœ…
Safety Switch (Protects Your Home from Electrical Faults) ❌ ❌ ❌ βœ… βœ… βœ…
Included Altered Cabling (m) ❌ ❌ ❌ 2m 10m 10m
System Relocation (Move System to New Position) ❌ ❌ ❌ ❌ ❌ βœ…
Requires Existing Installation to be Compliant βœ… βœ… ❌ ❌ ❌ ❌

Whenever a product is required, we only source from trusted, warranty‑backed manufacturers:

  • Valves – AVG, RMC, Rye Metal (and subsidiaries)
  • Copper – Type B Kembla or Crane
  • PEX Systems - Ezipex
  • Insulation – eFlex or K‑Flex
  • Electrical switches & timers – Hager
  • Conduit – Medium Duty PVC Vinidex or GTS
  • Brassware – Brasshards
  • Hydraulic crimp fittings – EziPress, Viega, Kembla
  • Sealants – Loxeal

Feel free to let us know if you have any other preferred brands!

πŸ›  Need Help Choosing?

Not sure which package is right for you? Contact JR Gas & Water, and we’ll help you select the best solution for your home! πŸš€

If you're in Queensland and considering a new electric hot water system, JR Gas & Water is the company to choose. Here's why:

Experience and Expertise: JR Gas & Water has over 10 years of experience in the gas and plumbing industry. Their team of licensed and insured professionals is highly skilled and knowledgeable about all aspects of electric hot water system installation, maintenance, and repair. They can provide expert advice on the best system for your needs and ensure a smooth installation process.

Quality Products: JR Gas & Water uses only high-quality products from trusted brands to ensure your electric hot water system is reliable and efficient. They also offer a range of options to suit different budgets and requirements.

Competitive Pricing: JR Gas & Water offers competitive pricing for their electric hot water systems, ensuring that you get a great value for your investment. They also provide a detailed quote upfront, so there are no surprises or hidden costs.

Customer Service: JR Gas & Water is committed to providing excellent customer service. They are always available to answer any questions or concerns you may have and are committed to ensuring your satisfaction.

Local Business: JR Gas & Water is a locally owned and operated business in Queensland. By choosing them for your electric hot water installation, you are supporting a local business and contributing to the local economy.

Warranty and Guarantee: JR Gas & Water provides a warranty and guarantee on all their products and services, giving you peace of mind knowing that your system is covered in case of any issues.

Energy Efficiency: Electric hot water systems can be energy efficient, and JR Gas & Water can help you choose the right system for your needs. They can provide advice on energy-saving features and options, such as timers and thermostats, to help you save on your energy bills.

Safety: JR Gas & Water is committed to safety and ensuring that all installations are done to the highest safety standards. They are also familiar with local safety regulations and requirements, ensuring that your electric hot water system is installed safely and in compliance with all relevant codes.

JR Gas & Water is a reliable and experienced choice for your electric hot water system installation in Queensland. With a commitment to quality products, competitive pricing, excellent customer service, and safety, they can help you make the switch to a more efficient and cost-effective solution for your hot water needs. Contact them today to learn more about their services and how they can help you.

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