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🏷️ Brand –
🔢 Model Number –
📦 Volume – L
📏 Width – mm
📐 Height – mm
🌍 Manufactured In –
🛠️ Cylinder / Heat Exchange Material –
🛡️ Cylinder / Heat-Exchange Warranty – Years
🔇 Noise Level – dBa
⚖️ Dry Weight – kg
⚡ Energy Source –
📡 WiFi Controller Built-in or Compatible –
⏲️ Built-In Timer –
💡 LED/LCD Status Indicator –
📊 Coefficient of Performance (COP) –

Rheem Eclipse 18kW Electric Instantaneous Water Heater – On-Demand Hot Water with Maximum Efficiency

Compact, Powerful & Energy-Saving Hot Water Solution

The Rheem Eclipse 18kW 3-Phase Electric Continuous Flow Water Heater is designed for homes and commercial properties that need instant hot water without the energy waste of a storage system. This compact, high-efficiency electric unit heats water only when required, delivering continuous, temperature-controlled hot water on demand while reducing energy costs.

Perfect for smaller households, apartments, offices, and commercial applications, the Rheem Eclipse 18kW ensures consistent flow rates, making it ideal for single bathrooms, kitchens, and laundry setups.

✔ Instant Hot Water – No Storage, No Waiting
✔ Compact Wall-Mounted Design – Space-Saving & Sleek
✔ Energy-Efficient with Smart Standby Mode
✔ LCD Touchscreen for Easy Temperature Control
✔ IP25 Rated for Indoor Installations
✔ Reliable Performance with Australian Standard Compliance

Why Choose the Rheem Eclipse 18kW?

🔥 Instant Hot Water – Anytime, Anywhere

Say goodbye to waiting for water to heat up. The Eclipse 18kW uses advanced heating technology to deliver hot water instantly at optimal temperatures, eliminating storage heat loss and ensuring continuous hot water whenever you need it.

⚡ Energy-Saving Technology

Unlike storage water heaters that keep reheating water 24/7, the Eclipse 18kW only heats when in use, significantly cutting down energy consumption. The smart standby mode ensures no unnecessary power usage.

📱 Touchscreen LCD with Precise Temperature Control

The easy-to-use digital control panel allows you to set and save your preferred water temperature, making it ideal for bathrooms, kitchens, and commercial settings.

💪 Built for Long-Term Durability

Designed for Australia’s climate, the Eclipse 18kW is IP25 rated for indoor installation, with robust construction that ensures years of reliable performance with minimal maintenance.

Rheem Eclipse 18kW – Technical Specifications

Feature	Details
Model Numbers	6C318500A (50°C) / 6C318600A (60°C)
Rated Power	18kW
Power Supply	380-415V, AC 3-Phase 3 Wire & Earth, 50Hz
Max Flow Rate	9L/min (varies based on inlet temp)
Activation Flow Rate	2.8L/min
Dimensions	470mm (H) x 226mm (W) x 95mm (D)
Water Pressure Range	100 kPa (Min) - 750 kPa (Max)
Temperature Control Range	30 - 55°C (50°C model) / 30 - 60°C (60°C model)
Protection Rating	IP25 (Indoor Use)
Installation	Indoor, Wall-Mounted
Warranty	Manufacturer-backed warranty

Who Is This System Best For?

✔ Small Households & Apartments – Ideal for single bathrooms & compact spaces.
✔ Office Kitchens & Staff Rooms – Perfect for workplace hot water needs.
✔ Commercial Kitchens & Cafés – Reliable and efficient performance.
✔ Eco-Conscious Buyers – Energy-saving, cost-efficient heating.

Why Buy from JR Gas & Water?

✅ Multi-Award-Winning Service – Best Plumbers & Home Care Store 2023, 2024, 2025
✅ Expert Installation – Licensed, experienced, and customer-trusted
✅ Transparent Pricing – No hidden costs, no surprises
✅ Fast Delivery & Installation – Quick turnaround times
✅ Local Brisbane & Gold Coast Experts – We know the region, climate, and compliance requirements

💰 Flexible Payment Plans Available!
We offer ZipPay, Humm, and Afterpay—spread your payments interest-free.

How to Buy the Rheem Eclipse 18kW

🔹 Buy Online – Secure checkout & fast order processing
🔹 Call Us – Speak to an expert for tailored advice
🔹 Book Installation – Professional setup with warranty-backed service

📍 Available for installation in Brisbane, Gold Coast, and surrounding areas.

🚀 Upgrade to instant, energy-efficient hot water today!

👉 Order now or contact JR Gas & Water for expert installation!

Electric Continuous Flow Hot Water System Package Selection Guide

(Please rotate mobile device to landscape for easy viewing)

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.

💡 Which Package is Right for You?

✅ 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)

✅ 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.

(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)

🏆 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)

💰 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)

✅ 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)

✅ 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)

🏆 Package Comparison Guide

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

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!

🛠 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! 🚀

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