JR GAS & WATER INSTALLER ASSESSMENT
Our Electric Hot Water Installer Verdict
This is the part of the product page we consider most important. It is our assessment of the product from the installer's side: construction, installation, commissioning, service access and manufacturer support, rather than a repeat of the specification sheet.
Local Hot Water Installation Areas
View all hot water service areas🏷️ Brand: Aquamax
🔢 Model Number: 981125
📦 Volume: 125L
📏 Width: 480 mm
📐 Height: 1242 mm
🌍 Manufactured In: Australia
🛠️ Cylinder / Heat Exchange Material: Steel Enamel
🛡️ Cylinder / Heat Exchange Warranty: 10 Years
🔇 Noise Level: NA dBa
⚖️ Dry Weight: 49 kg
⚡ Energy Source: electric
📡 WiFi Controller: No
⏲️ Built-In Timer: No
💡 LED/LCD Status Indicator: No
📊 Coefficient of Performance (COP): 1
AquaMAX 125L Installation Brisbane & Gold Coast
JR Gas & Water supplies, replaces and professionally installs the AquaMAX 125L electric hot water system across eligible Brisbane, Gold Coast and surrounding South East Queensland service areas.
The AquaMAX 981125 is a compact 125 litre mains-pressure electric storage water heater designed for smaller household hot water demand. It uses a steel-enamel cylinder, a single electric element and dual-sided plumbing connections that can help simplify replacement installation where the existing services are suitable.
JR currently positions the AquaMAX 125L primarily around two-person household demand. It can be installed indoors or outdoors where the location and services comply, making it particularly relevant to apartments, townhouses, units, granny flats and smaller homes needing a compact storage replacement.
AquaMAX 125L at a glance: the 981125 is a compact 125L single-element electric storage hot water system with a steel-enamel cylinder, left- and right-hand connection flexibility and indoor/outdoor installation capability. JR currently recommends the 125L size around two-person household demand. It is a practical like-for-like replacement where the existing plumbing, electrical supply, valves, drainage and installation position remain suitable.
AquaMAX 125L Supply & Installation at a Glance
Storage Capacity
125 litres of mains-pressure stored hot water.
Household Guide
JR currently positions the 125L size at approximately 2 people for normal household use.
System Type
Single-element electric storage water heater with a steel-enamel cylinder.
Installation Area
Eligible Brisbane, Gold Coast and surrounding South East Queensland service areas.
Who Is the AquaMAX 125L Best For?
Smaller Households
The 125L capacity is most relevant where daily hot water demand is modest. JR's current product guidance positions this size around two occupants.
Compact Electric Replacements
The AquaMAX 125L is useful where an existing small electric storage heater is being replaced and the customer wants to stay with a simple, familiar storage system.
Units, Townhouses & Small Homes
Its compact footprint can suit properties where a larger 250L or 315L cylinder would be unnecessary or difficult to accommodate.
Is the AquaMAX 125L Right for My Home?
A Good Choice If...
You have relatively low hot water demand, want a conventional electric storage system and already have a suitable small-cylinder installation location and electrical supply.
Consider Another Option If...
Your household frequently uses multiple showers, large baths or simultaneous hot water outlets, or you want lower running-energy use through a heat pump or another technology.
JR Should Check First If...
You are changing tank size, moving the system, converting tariffs, installing indoors, upgrading element output or are unsure whether the existing valves, drain, base or electrical circuit are compliant.
How Many People Does the AquaMAX 125L Suit?
JR currently recommends the AquaMAX 125L around two-person household demand. This is a more useful customer-facing guide than treating every 125L cylinder as suitable for the same number of occupants regardless of how the home uses hot water.
AquaMAX-derived sizing information allows higher maximum occupancy under specific assumptions such as short showers, moderate climate conditions and a suitable tariff arrangement. Those assumptions do not reflect every household, so occupant count should not be considered in isolation.
Shower duration, fixture flow rate, bath use, simultaneous demand and electricity tariff all affect whether 125L is enough. A home with several long showers can run through stored hot water much faster than a similar-sized household using efficient fixtures and staggered showers.
Where demand is likely to be higher, JR can compare the 125L with larger 160L or 250L electric storage systems before the replacement is booked.
How Does the AquaMAX 125L Work?
The AquaMAX 125L is a conventional mains-pressure electric storage water heater. Cold water enters the tank and is heated by an electric immersion element controlled by the thermostat.
The heated water remains stored inside the insulated cylinder until a hot tap or shower is opened. As hot water leaves the cylinder, incoming cold water replaces it and the element reheats the stored volume as required.
Unlike a heat pump, the AquaMAX does not use a refrigeration cycle to extract heat from the air. Its primary heating energy comes directly from electricity, making it comparatively simple but also making the tariff and element configuration relevant to running cost and recovery.
Key Features of the AquaMAX 125L
125L Storage Capacity
Compact stored hot water capacity suited to lower household demand.
Steel-Enamel Cylinder
The 981125 uses a vitreous/steel-enamel storage cylinder. It is not the stainless-steel cylinder described in the old long-form JR copy.
Single-Element Design
The AquaMAX 125L is a single-element electric storage system rather than a twin-element family-sized cylinder.
Dual-Sided Connections
JR currently lists left- and right-hand plumbing connections, which can provide useful flexibility when matching existing pipework.
Indoor or Outdoor Installation
The system can be installed indoors or outdoors where the location meets the applicable AquaMAX and plumbing requirements.
Made in Australia
JR's current live product data identifies the AquaMAX 125L as Australian made.
AquaMAX 125L Specifications
| Brand | AquaMAX |
|---|---|
| Model | 981125 |
| Product Type | Electric storage hot water system |
| Storage Capacity | 125L |
| JR Household Guide | Approximately 2 people |
| Cylinder Material | Steel enamel / vitreous enamel |
| Element Configuration | Single element |
| Current JR Power Options | 1.8kW, 2.4kW, 3.6kW and 4.8kW options shown on the live product |
| Electrical Supply | 240V single phase |
| Height | JR live product: approximately 1242mm |
| Width | Approximately 480mm |
| Minimum Internal Installation Space | JR currently lists approximately 630W × 580D × 1342H mm |
| Installation | Indoor or outdoor where compliant |
| Water Connections | Rp ¾" |
| Connection Layout | Left- and right-hand connection options |
| ECV Setting | 850kPa |
| Maximum Supply Pressure With ECV | 680kPa |
| Maximum Supply Pressure Without ECV | 800kPa |
| PTR Valve Setting | 1000kPa |
| Country of Manufacture | Australia |
| Cylinder Warranty | Up to 10 years subject to AquaMAX warranty conditions |
| General Parts & Labour | 1 year under the applicable AquaMAX warranty conditions |
JR's current live data lists a nominal height of 1242mm, while AquaMAX's older manufacturer brochure lists approximately 1250mm for the 981125 cylinder. Allow installation clearance rather than designing a cabinet to the nominal tank dimension alone.
What Is Required to Install the AquaMAX 125L?
What's Included With AquaMAX 125L Installation?
Standard Installation
Where the existing installation is a suitable compliant like-for-like replacement, the applicable JR package can include supply of the AquaMAX 125L, removal of the existing heater where included, positioning of the replacement and connection to suitable existing plumbing and electrical services.
Compliance & Commissioning
The new water heater is connected, filled, electrically commissioned and checked for correct operation, leakage and safe hot-water delivery. Applicable plumbing and electrical work must be completed by appropriately licensed trades.
Possible Additional Work
Valve replacement, extra copper, electrical circuit work, tariff changes, new isolation, drainage changes, support-base work, relocation or internal-installation requirements can increase the scope beyond a basic replacement.
How Much Does AquaMAX 125L Installation Cost?
Current supplied-and-installed pricing is shown in the live product and installation selector above. This allows JR's current product price, installation packages and selectable add-ons to remain the source of truth.
The final AquaMAX 125L installation cost depends on whether the job is a straightforward like-for-like replacement or requires additional valves, plumbing, drainage, electrical changes, relocation, internal-installation work or a new support base.
JR's base installation pathway is intended for suitable existing installations where the location and services are already compliant. Where the property falls outside that scope, the appropriate package or quote pathway should be used instead of assuming every 125L replacement costs the same.
AquaMAX 125L Installation Brisbane
JR Gas & Water supplies and installs the AquaMAX 125L in Brisbane for suitable small electric storage replacements and new installations.
In Brisbane units, townhouses and smaller homes, 125L systems are often selected where daily demand is modest and installation space is more constrained than it would be for a larger family-size cylinder.
For an existing electric storage replacement, JR checks the location, base, valves, relief drainage and electrical supply before confirming whether the system qualifies for a straightforward installation package.
Eligible installation coverage extends throughout Greater Brisbane and surrounding areas including Logan, Ipswich, Redlands and Moreton Bay.
AquaMAX 125L Installation Gold Coast
JR Gas & Water also supplies and installs the AquaMAX 125L on the Gold Coast across eligible service areas.
The compact cylinder can suit apartments, duplexes, smaller townhouses and secondary dwellings where a large storage volume is unnecessary. The actual requirement should still be based on household use rather than available space alone.
Where the existing system is installed internally, the replacement needs suitable room, drainage protection and servicing clearance. JR's current online product also distinguishes internal installations from standard external installation packages, so the correct installation pathway needs to be selected.
Can the AquaMAX 125L Replace My Existing Hot Water System?
Replacing Another 125L Electric System
This is generally the most straightforward replacement pathway where the existing location, electrical circuit, valves and drainage remain suitable.
Replacing an 80L System
A move from 80L to 125L can provide additional storage, but the larger physical size, filled weight and electrical arrangement still need to suit the property.
Replacing a 160L or Larger System
Downsizing should only be considered where household demand genuinely allows it. Reducing storage simply to save space can result in insufficient hot water.
Replacing Another Brand
AquaMAX can replace many equivalent electric storage systems, but connection positions, cylinder dimensions, valves and electrical requirements need to be checked.
Changing From Gas
Converting from gas to the AquaMAX is not a like-for-like replacement and can require additional electrical and plumbing work as well as treatment of the redundant gas service.
Relocating the System
Moving the water heater can require additional pipework, electrical cabling, drainage and a new support base and should be assessed separately.
Which AquaMAX 125L Element Rating Do I Need?
JR's live AquaMAX 125L product currently shows multiple element-output options rather than treating every 125L cylinder as a fixed 3.6kW heater.
Lower-Power Elements
JR currently shows 1.8kW and 2.4kW options. Lower-output elements place less instantaneous demand on the electrical circuit but take longer to reheat the stored water.
Higher-Power Elements
JR also shows 3.6kW and 4.8kW options. Higher element output can improve recovery time but requires an electrical circuit suitable for the increased load.
The element rating should be matched to the existing circuit and intended operation rather than choosing the largest element automatically. Any electrical alteration needs to be completed by an appropriately licensed electrician.
How Efficient Is the AquaMAX 125L?
The AquaMAX 125L is a conventional resistance electric storage system. It does not have a heat-pump COP advantage because electrical energy is converted directly into heat inside the storage tank.
Running cost therefore depends heavily on how much hot water the household uses, the selected element, the electricity tariff and when the heater is allowed to operate.
For a smaller household with modest demand, a correctly sized 125L cylinder can avoid heating substantially more stored water than is required. However, customers whose priority is reducing electrical energy consumption may also want to compare heat-pump hot water before committing to conventional electric storage.
AquaMAX 125L vs Other Electric Hot Water Sizes
| Option | Typical JR Positioning | Main Difference |
|---|---|---|
| AquaMAX 125L | Approximately 2-person household demand | Compact storage and footprint for lower demand |
| 160L Electric Storage | Small household needing additional storage margin | More stored hot water but a taller or larger cylinder |
| 250L Electric Storage | Medium family demand | Substantially greater storage capacity |
| Heat Pump Hot Water | Homes prioritising lower heating-energy consumption | Uses ambient-air heat rather than resistance heating as the primary heat source |
The appropriate size depends on household demand, tariff, available installation space and the performance expected from the replacement.
AquaMAX 125L Installation FAQs
How much does AquaMAX 125L installation cost?
Use JR's live product and installation selector for current supplied-and-installed pricing. Final cost depends on valves, electrical work, plumbing, access, drainage, support base, disposal and whether the job qualifies as a standard like-for-like replacement.
Can JR Gas & Water install the AquaMAX 125L in Brisbane?
Yes. JR supplies and installs suitable AquaMAX electric water heaters across eligible Greater Brisbane and surrounding South East Queensland service areas.
Can JR install the AquaMAX 125L on the Gold Coast?
Yes. The AquaMAX 125L is available with professional installation across eligible Gold Coast service areas.
How many people does the AquaMAX 125L suit?
JR currently positions the 125L size around two-person household demand. Actual suitability depends on shower duration, baths, fixture flow rates and electricity tariff.
Is the AquaMAX 125L stainless steel?
No. The current JR product data identifies the 981125 as a steel-enamel cylinder. Older JR long-form copy incorrectly described it as stainless steel.
Does the AquaMAX 125L have a sacrificial anode?
As a vitreous-enamel storage cylinder, it should not be described using the old stainless-steel “no anode required” claim. Maintenance should follow the current AquaMAX owner and warranty documentation.
What is the AquaMAX 125L model number?
The core AquaMAX model family is 981125. Specific product suffixes can vary with element configuration.
What element size does the AquaMAX 125L use?
JR's current live product displays multiple selectable element outputs including 1.8kW, 2.4kW, 3.6kW and 4.8kW. The correct output depends on the electrical circuit and installation configuration.
Can the AquaMAX 125L be installed indoors?
Yes, where the location complies with the applicable installation requirements. JR currently lists a minimum internal-installation space and directs internal jobs through the appropriate installation pathway.
Can it replace another brand of 125L water heater?
Often, yes. The cylinder dimensions, connection positions, valves, electrical circuit and drainage still need to be checked before treating the installation as like-for-like.
Can I upgrade from an 80L system to 125L?
Potentially. The new tank needs to fit the available location and the filled weight, electrical arrangement and household demand should all be considered.
What warranty does the AquaMAX 125L have?
AquaMAX provides up to a 10-year cylinder warranty for the qualifying 981125 domestic installation, with general parts and labour coverage applying for the first year under the manufacturer's warranty conditions.
What is included with a standard installation?
The selected JR package can include supply of the system, installation in a suitable existing location, connection to compliant services, testing and commissioning. Valve upgrades, electrical changes, relocation or other non-standard work may cost extra.
AquaMAX 125L Warranty and Maintenance
Manufacturer Cylinder Warranty
AquaMAX provides up to 10 years cylinder replacement coverage for qualifying 981125 single-family domestic installations, subject to the manufacturer's warranty conditions.
Parts & Labour
The AquaMAX warranty provides general component parts and labour coverage during the first year, with cylinder coverage continuing for the applicable longer warranty period.
Ongoing Maintenance
The system includes a storage cylinder, thermostat, electric element, relief valve and associated plumbing components. Maintenance should follow AquaMAX's current owner and installation documentation.
AquaMAX's manufacturer warranty is separate from any applicable JR Gas & Water Lifetime Warranty or workmanship coverage associated with the selected installation package.
Why Choose JR Gas & Water for AquaMAX 125L Installation?
JR Gas & Water has completed more than 10,000 hot water installations across South East Queensland and provides installation across electric, heat pump, gas and solar technologies.
The current AquaMAX 125L product is also Lifetime Warranty eligible through JR's applicable installation pathway and includes online installation-package selection, preferred-date booking and quote options.
For a compact electric replacement, JR checks the system size, element, valves, electrical supply, drainage and installation position rather than simply replacing the cylinder without considering whether the existing setup remains suitable.
Compare AquaMAX & Electric Hot Water Options
Hot Water Systems
Compare JR's electric, heat pump, gas and solar hot water systems with current installed pricing.
Electric Hot Water Systems
Compare 125L, 160L, 250L, 315L and other electric storage options.
AquaMAX Hot Water Systems
Compare JR's current AquaMAX hot water range and installed options.
Install the AquaMAX 125L With JR Gas & Water
The AquaMAX 981125 is a compact 125L electric storage water heater suited to lower household hot water demand and straightforward electric replacement applications. Its key advantages are its compact footprint, conventional operation, single-element design and flexible left- or right-hand plumbing connection arrangement.
JR Gas & Water supplies and installs suitable AquaMAX 125L systems across eligible Brisbane and Gold Coast areas. Choose the applicable installation package and preferred date above, or use JR's quote pathway where the job involves internal installation, relocation, electrical alterations or other non-standard work.
Your electric storage hot water system is built to provide years of reliable hot water, but like any major household appliance, it requires regular maintenance to remain safe, efficient and covered under the manufacturer's warranty.
Many manufacturers specify routine maintenance throughout the life of the system. Following these recommendations helps maximise the lifespan of the unit, maintain safe operation and reduce the likelihood of unexpected breakdowns.
Homeowner Maintenance – Every 6 Months
Every six months, homeowners should carefully operate the Pressure & Temperature Relief (PTR) Valve and Expansion Control Valve (ECV) (where fitted).
This simple maintenance helps:
- Confirm the safety valves are operating correctly.
- Flush away mineral deposits that can cause the valves to seize.
- Prevent excessive pressure from building inside the tank.
- Extend the life of the safety valves.
Why is this important?
Over time, minerals naturally found in water can build up inside the valves. If they are never operated, they may become stuck or fail when they're needed most.
A seized PTR or ECV valve can lead to:
- Excessive pressure inside the tank.
- Continuous leaking from the valve.
- Reduced system efficiency.
- Premature component failure.
- Potential safety risks.
Important: Always follow your manufacturer's instructions when operating the valves, as hot water will discharge during testing. If you're unsure or unable to perform this maintenance safely, contact a licensed plumber.
JR 6-Month Hot Water Health Check
Recommended Service – $99
While homeowner maintenance is important, a professional inspection provides additional peace of mind and can identify issues long before they become expensive repairs.
Our JR 6-Month Hot Water Health Check includes:
- Inspection for water leaks and corrosion.
- Testing of the PTR valve.
- Testing of the ECV (where fitted).
- Checking electrical operation.
- Inspecting wiring and electrical connections.
- Checking thermostat operation.
- Inspecting the element for signs of failure (where possible).
- Inspecting insulation and pipework.
- Checking for unusual noises or signs of sediment build-up.
- Confirming correct operation and water heating performance.
- Identifying any components showing signs of wear.
Service Price: $99
Regular inspections help detect small problems early, reducing the likelihood of unexpected breakdowns and helping maximise the life of your hot water system.
Recommended 5-Year Major Service
Current Price: $449
Most electric storage hot water manufacturers recommend replacing several key components approximately every five years to maintain reliable operation and protect the storage tank.
Our comprehensive 5-Year Service includes:
- Replacement of the sacrificial anode.
- Replacement of the Pressure & Temperature Relief (PTR) Valve.
- Replacement of the Expansion Control Valve (ECV).
- Full inspection of the hot water system.
- Electrical safety and operational testing.
- Inspection of pipework, valves and fittings.
- Leak and corrosion inspection.
- System performance testing.
Why These Components Matter
Sacrificial Anode
The sacrificial anode protects the steel tank from internal corrosion.
Instead of the tank rusting, the anode slowly corrodes over time. Once it has been consumed, the tank itself begins to rust from the inside, often leading to leaks and complete tank failure.
Replacing the anode is one of the most effective ways to extend the life of a storage hot water system.
Pressure & Temperature Relief (PTR) Valve
The PTR valve is one of the most important safety devices on your hot water system.
It automatically releases water if pressure or temperature inside the tank becomes too high, protecting both the system and your home.
Over time, scale and mineral deposits can prevent the valve from operating correctly, making regular testing and replacement essential.
Expansion Control Valve (ECV)
The ECV manages pressure created as water expands during heating.
A correctly functioning ECV:
- Reduces stress on the storage tank.
- Protects plumbing components.
- Helps extend the life of the hot water system.
- Reduces unnecessary water discharge through the PTR valve.
If Your Hot Water System Isn't Working
Before arranging a service, there are a few simple checks you can perform:
- Ensure the power is switched on at the electrical switchboard.
- Check whether the hot water circuit breaker or safety switch (RCD) has tripped.
- Confirm the isolation switch near the hot water system is turned on.
- Check whether your electricity supplier has scheduled an off-peak interruption.
- Look for obvious water leaks around the system.
- Check whether water is continuously flowing from the PTR or ECV valve.
- Listen for unusual noises such as excessive boiling, rumbling or banging.
- Confirm the system has had sufficient time to reheat after heavy water usage.
If your system still isn't producing hot water, contact JR Gas & Water for professional diagnosis and repair.
General Signs Your System May Need Attention
Arrange a service if you notice:
- Water leaking from the tank.
- Constant dripping from relief valves.
- Rust-coloured or dirty hot water.
- Reduced hot water capacity.
- Water taking much longer to heat.
- Unusual noises during heating.
- Visible corrosion.
- Fluctuating water temperature.
- Repeated electrical trips.
Early repairs are often significantly less expensive than replacing a failed hot water system.
Protect Your Warranty & Maximise System Life
Regular maintenance not only helps keep your hot water system operating safely and efficiently—it can also assist in meeting manufacturer maintenance requirements.
Ignoring recommended servicing may result in:
- Premature tank corrosion.
- Seized or leaking safety valves.
- Reduced efficiency and higher running costs.
- Unexpected loss of hot water.
- Avoidable repair costs.
- Shortened system lifespan.
- Possible reduction or loss of manufacturer warranty, depending on the manufacturer's maintenance requirements.
A small investment in preventative maintenance can add years to the life of your hot water system and help avoid the inconvenience and expense of an unexpected replacement.
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.