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Aquamax G340SS 160L Gas Hot Water System | Supply+Install | LIFETIME WARRANTY

Hot water, hassle-free. This Aquamax is 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
  • 🔢 Model: G340SS
  • 📦 Volume: 160L
  • 👨‍👩‍👧‍👦 Recommended Household Size: 7-8 people
  • 📏 Width: 520 mm
  • 📐 Height: 1635 mm
  • 🛠️ Internal Cylinder Material: Stainless Steel
  • 📍 Stainless Steel Restricted Areas

    Queensland stainless steel restricted postcodes:

    • 4114
    • 4300
    • 4347
    • 4350
    • 4356
    • 4357
    • 4358
    • 4361
    • 4362
    • 4405
    • 4410
    • 4413
    • 4455
    • 4470
    • 4492
    • 4520
    • 4552
    • 4570
    • 4610
    • 4614
    • 4615
    • 4670
    • 4680
    • 4697
    • 4700
    • 4702
    • 4705
    • 4717
    • 4721
    • 4723
    • 4724
    • 4742
    • 4746
    • 4751
    • 4801
    • 4805
    • 4806
    • 4807
    • 4809
    • 4820
    • 4825
    • 4871
    • 4880
    • 4881
    • 4888

    If you are unsure, contact us before ordering and we can confirm suitability for your area.

  • 📅 Maximum Warranty: 10 Years
  • 💡 LED/LCD Status Indicator: No
  • 🌍 Made In: Australia
  • 🔥 Gas Type: Default supply is Natural Gas — please leave a note at checkout if LPG is required.
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Regular price $2,599.00
Regular price $2,999.00 Sale price $2,599.00
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Installed hot water packages available in eligible JR Gas & Water service areas
Free delivery included with eligible installed packages
Licensed installation available across Brisbane, Logan, Redlands, Ipswich, Moreton Bay and Gold Coast service areas
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Not 100% sure? Prefer a written quote first?

For gas storage hot water system installations with non-standard pipework, gas supply upgrades, LPG or natural gas requirements, tight access, relocation work, flueing or clearance issues, valve upgrades, drainage issues, or uncertainty around the correct system size, our team can confirm the best option before you book.

Get Written Quote
✔ Service by Licensed Professionals  •  ✔ Fixed Price Services

🏷️ Brand – Aquamax
🔢 Model Number – G340SS
📦 Volume – 160L
📏 Width – 520mm
📐 Height – 1635mm
🌍 Manufactured In – Australia
🛠️ Cylinder / Heat Exchange Material – Stainless Steel
🛡️ Cylinder / Heat-Exchange Warranty – 10 Years
🔇 Noise Level – NA dBa
⚖️ Dry Weight – 65kg
Energy Source – Natural Gas
📡 WiFi Controller Built-in or Compatible – No
⏲️ Built-In Timer – No
💡 LED/LCD Status Indicator – No
📊 Coefficient of Performance (COP)

Aquamax G340SS 160L Gas Hot Water System: Aquamax 340 Price

Reliable, Energy-Efficient Hot Water for Medium to Large Households

Looking for a high-performance gas hot water system that delivers instant, reliable hot water? The Aquamax G340SS 160L Gas Storage Hot Water System is an aquamax hot water system designed for medium to large households (2-5 people), ensuring consistent water pressure, energy efficiency, and durability.

With a 5-star energy rating, stainless steel tank, and fast recovery rate of 185L/hr, this system is an eco-friendly and cost-effective solution for those needing uninterrupted hot water. 🏆 JR Gas & Water – Voted Best Plumbers & Best Home Care Store (2023, 2024, 2025)! 🔗 Get a Quote or Book Your Installation Here

Overview of the Aquamax G340SS

The Aquamax G340SS is a high-performance gas hot water system designed to meet the needs of single-family dwellings. This robust water heater features a stainless steel construction, ensuring long-term durability and resistance to corrosion. With a remarkable 340-litre first hour delivery capacity, it is perfectly suited for larger households that require a consistent and ample supply of hot water. The system boasts a 5-star energy rating, making it an energy-efficient choice that helps reduce energy bills. Additionally, the Aquamax G340SS comes with a 12-year cylinder warranty, providing peace of mind and long-term reliability. Its external installation design not only saves indoor space but also ensures easy access for maintenance and installation.

Key Features & Benefits:

5-Star Energy Efficiency – Lower running costs & eco-friendly operation

Stainless Steel Cylinder – Built for corrosion resistance & long-term durability

High Recovery Rate (185L/hr at 45°C) – Ensures a steady supply of hot water

Compact & Space-Saving Design – Ideal for external installations

Advanced Safety Features – Includes pressure & temperature relief valve

Natural Gas Operation (40 MJ/h Consumption) – Reliable & cost-efficient heating

12-Year Cylinder Warranty – Peace of mind with long-term protection

External Installation – Designed for outdoor placement to save indoor space

High-Quality Construction – Ensures reliability and customer satisfaction with high standards

Specifications:

  • Brand: Aquamax

  • Model: G340SS

  • Capacity: 160L

  • Energy Rating: 5-Star

  • Gas Type: Natural Gas

  • Gas Consumption: 40 MJ/h

  • Recovery Rate: 185L/hr (45°C rise)

  • Installation: External Only

  • Cylinder Material: Stainless Steel

  • Pressure & Temperature Relief Valve: 1400 kPa / 99°C

  • Water Supply Pressure (Max.): 1120 kPa

  • Warranty: 12 Years on Cylinder


Performance & Energy Efficiency

The Aquamax G340SS is engineered for high efficiency, ensuring fast recovery times and minimal energy waste. Operating on natural gas, this system is an ideal choice for homeowners looking to lower their energy bills while enjoying a continuous hot water supply.

With a 5-star AGA rating, the stainless steel cylinder allows for superior heat retention, reducing overall gas consumption. This means lower running costs without compromising on performance. In the long run, investing in the Aquamax G340SS leads to significant cost efficiency and fewer maintenance issues, making it a durable and financially smart choice.

Safety & Compliance

Pressure & Temperature Relief ValvePrevents overheating & excessive pressure buildup
Watermark Licence No. WMKA00200 – Certified for Australian standards
AGA Approval No. AGA 6114 G – Industry-compliant safety assurance

With these safety features, the Aquamax G340SS ensures secure, reliable operation for years to come.


How the Aquamax G340SS Compares to Other Hot Water Systems

When it comes to hot water systems, the Aquamax G340SS stands out for its exceptional energy efficiency and durability. Its stainless steel construction and 5-star energy rating make it a highly efficient and cost-effective option for households. Compared to other gas hot water systems, the Aquamax G340SS offers a longer warranty period and a higher first hour delivery capacity, making it a superior choice for households with high hot water demands. Additionally, its competitive pricing and external installation design make it an attractive option for those seeking a reliable and efficient hot water solution. The Aquamax G340SS not only meets but exceeds the expectations of Australian households, making it a market leader in the hot water system industry.

Installation & Maintenance

The Aquamax G340SS is designed for easy external installation, making it ideal for homes with limited space. It features:

🔹 Accessible Water & Gas Connections – Easy setup with Rp ¾” (20mm) Female inlet & Rp ½” (15mm) Female outlet🔹 ½” Flared Compression Gas Connection – Ensures reliable & leak-free operation 🔹 Stainless Steel Tank – Reduces the need for frequent maintenance & extends lifespan

For those looking to install or service an Aquamax hot water system, our team provides comprehensive solutions to ensure optimal performance and longevity.

🔗 Book Your Installation with JR Gas & Water Now

Warranty and Support

The Aquamax G340SS comes with a comprehensive warranty and support package that ensures long-term satisfaction and peace of mind. The stainless steel cylinder is backed by a 12-year warranty, reflecting the manufacturer’s confidence in its durability and performance. Additionally, the entire machine is covered by a 1-year parts-and-labour warranty, providing protection against any manufacturing defects. The gas burner is warranted for 5 years, and the electrical components come with a 2-year warranty. To further enhance customer experience, the manufacturer offers dedicated customer support and a network of authorized service providers, ensuring prompt and efficient service whenever needed.

Why Choose JR Gas & Water?

🏆 Award-Winning Service – Voted Best Plumbers & Best Home Care Store (2023, 2024, 2025)
💡 Expert Installation – Installed by licensed professionals for seamless setup
💲 Flexible Payment OptionsHUMM, ZipPay, Openpay & Afterpay available
🌱 Energy-Saving Solutions – Advice on reducing energy costs & maximizing efficiency
🔧 Reliable Local Business – Serving Brisbane & Gold Coast with trusted gas hot water solutions


Upgrade to the Aquamax G340SS Today!

Enjoy high-efficiency, reliable hot water with JR Gas & Water’s expert installation.

💦 Click here to book your installation or request a quote!

Use collapsible tabs for more detailed information that will help customers make a purchasing decision.

Ex: Shipping and return policies, size guides, and other common questions.

Gas Storage Hot Water System Package Selection Guide

(Please rotate mobile device to landscape for easy viewing)

Choosing the right gas storage hot water system package depends on your installation needs, household size, and whether additional electrical work is required. 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?

IMPORTANT - All online packages are for external installations only, for internal installations please complete our quote request form.

BaseFor compliant replacements
Ideal for identical direct swaps where the existing system meets compliance. No extra plumbing, electrical work or disposal required or included.

(EXAMPLE - A Rheem 4-Star 135L replacing complaint Rheem 4-Star 135L not a Rheem 4-Star 170L)

SilverFor minor upgrades
Includes pipework alterations and a valve kit but does not include gas modifications or system disposal. Designed for those swapping a similar system and working to a tight budget. 

(EXAMPLE - Swapping a 10year old Rheem Stellar 360 with a new Rheem Stellar 330 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 Dux 4-Star 135L with a new Vulcan 4-Star 170L, Strip all down and redo the valves, pipework, drain lines, support base and dispose of the old unit)

💰 Sapphire (Best Value) – For installations requiring a new gas main or upgrade plus everything in the gold package

(EXAMPLE - Swapping an electric system with a new Everhot 4-Star 135L that requires a new gas line and connection to be installed, then strip all down and redo the valves, pipework, drain lines, support base and dispose of the old unit)

✅ PlatinumThe ultimate package
Includes everythingsystem relocation, extensive plumbing and gas upgrades.

(EXAMPLE - Replacing any existing system of any type then relocating it to a new position on the house that requires the gas lines/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
Existing System Removal & 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
Support Base (For Uneven or Soft Ground)
FREE Waste & System Disposal (EXCLUDES ANY AND ALL ROOF MOUNTED COMPONENTS)
System Drainlines (Prevents Flooding & Improves Longevity)
Electrical Isolator (Ensures Safe Operation & Maintenance Access)
Electrical Extension (Required for Distance to Power Source)
🏆 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!

IMPORTANT - All online packages are for external installations only, for internal installations please complete our quote request form.


🛠 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!

ZipPay – 6-Month Interest-Free on All Products

ZipPay allows you to buy now and pay later, offering flexible, interest-free payments for up to 6 months on all JR products. It’s easy to set up, and you can customize your repayment schedule to suit your budget. Payments can be made weekly, fortnightly, or monthly, with a $6 fee if the balance isn’t paid off by the due date​.

Humm – Up to 12 Months Interest-Free

Humm provides interest-free payment plans on purchases up to $30,000, perfect for both small and large buys. For items over $2,000, you can spread payments over 12 months. Humm also offers flexibility in scheduling payments based on when you get paid​

Afterpay – 8 Weeks, No Interest

With Afterpay, spread the cost of purchases across four equal installments, due every two weeks, over an 8-week period. There’s no interest, and as long as payments are made on time, there are no fees. Perfect for purchases between $100 and $1,500​

Plenti Finance – For Reclaim Systems Only

Plenti Finance is available exclusively for Reclaim Energy systems. This option offers tailored repayment terms with competitive interest rates, helping make eco-friendly choices more affordable. For more detailed information on Plenti’s terms and eligibility for Reclaim systems, visit the Reclaim Energy finance page​

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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