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Rheem Mpi 325L | Supply+Install | LIFETIME WARRANTY

Upgrade to energy-efficient hot water with the Rheem 325L heat pump hot water system — ideal for households of up to 5. Designed to lower energy bills with a high efficiency COP of 4.5 and quiet operation at just 47 dBA, it’s the smart choice for comfort and savings. This system features a durable Steel Enamel tank, a 5 year warranty, and licensed installation across Brisbane and the Gold Coast. Made in Australia and backed by award-winning local support.
Quick Specs & Benefits View product specifications and key details
  • Estimated Annual Savings*: $1177 vs traditional electric
  • Model: 551325
  • Volume: 325L
  • Width: 619 mm
  • Height: 1631 mm
  • COP (Efficiency Rating): 4.5
  • Recommended Household Size: 5 people
  • Electrical Connection Type: Hardwired 15amp
  • Noise Level: 47 dB
  • WiFi Controller Built-In/Compatible: No
  • Internal Cylinder Material: Steel Enamel
  • Made In: Australia
  • STC Rebate Eligible - $1000 Upfront Discount Included

    What is an STC?

    STC stands for Small-scale Technology Certificate. It is part of an Australian Government scheme designed to encourage energy-efficient hot water systems and other eligible renewable technologies.

    How does it work?

    When your new system qualifies, STCs are created based on the expected energy savings and location of the installation. These certificates have a value, and that value is applied as an upfront discount to help reduce the installed cost.

    How is it shown on our jobs?

    For eligible systems, the STC value is already included as a flat rate $1000 upfront discount in the total installed price shown, so you do not need to claim it separately after installation.

    Who is eligible?

    Eligibility generally applies to installations of approved systems at Australian homes and businesses where the product, property type, and installation details meet current STC program requirements.

    If you are unsure whether your property or system qualifies, contact us before ordering and we can help confirm it.

Rheem MPi-325 Series II Heat Pump Installation in Brisbane & Gold Coast

If you are looking for Rheem MPi-325 Series II Heat Pump installation in Brisbane or the Gold Coast, JR Gas & Water provides practical advice, supply and installation, and professional replacement services for homes that suit this style of system. The Rheem MPi-325 Series II Heat Pump is a heat pump hot water system designed to use ambient air to heat stored water efficiently, making it a strong option for homeowners who want a modern electric alternative to a standard storage tank. For the right home, it can be a smart solution for hot water replacement, a like-for-like upgrade, or a new supply and installation where location, airflow, drainage, and electrical setup have been properly considered.

What Is the Rheem MPi-325 Series II Heat Pump?

The Rheem MPi-325 Series II Heat Pump is a 325 litre heat pump hot water system that heats water by drawing energy from the surrounding air rather than relying only on direct electric resistance heating. It stores the heated water in an integrated tank, which means it combines the efficiency benefits of a heat pump with the familiar operation of a storage hot water system.

This model is designed for homes that want a more energy-efficient way to produce domestic hot water while still having strong stored capacity ready for everyday use. It is commonly recommended as a replacement for small to medium electric water heaters and is designed to suit a wide range of Australian climate zones. For households wanting a larger-capacity heat pump with a practical family-sized tank, the MPi-325 Series II is a strong option.

Why Choose the Rheem MPi-325 Series II Heat Pump?

One of the main reasons people choose the Rheem MPi-325 Series II Heat Pump is because it offers the efficiency benefits of heat pump technology in a larger residential format. For the right home, that can mean much lower running costs than a conventional electric storage system, along with a cleaner and more modern hot water setup.

This model also stands out because it is designed for 2 to 5 people, making it well suited to family households that want a substantial hot water buffer. It is built to operate in a broad range of conditions and is designed to work as a practical all-round heat pump rather than a niche product for only one type of home. For buyers wanting a recognised Rheem heat pump that sits outside the current Ambiheat and AmbiPower naming, the MPi-325 Series II still carries strong practical appeal.

The Rheem MPi-325 Series II Heat Pump will also appeal to buyers who want a recognised Australian market brand with stronger confidence in support, product backing, and long-term ownership than a cheaper unknown alternative.

Is the Rheem MPi-325 Series II Heat Pump Right for Your Home?

The Rheem MPi-325 Series II Heat Pump can be a very good fit for homes that want an efficient heat pump hot water system and have a suitable installation location with enough airflow and clearance. A 325 litre heat pump is generally well suited to family households, homes with moderate to stronger daily hot water demand, or properties that want a bigger storage buffer than a 180 litre or 270 litre model.

It may suit homeowners replacing an older electric storage system, upgrading from a less efficient unit, or choosing a modern heat pump for a new installation. It can also appeal to homes that want a larger-capacity system while still taking advantage of the lower running costs heat pumps can offer compared with a standard electric tank.

It is not the right answer for every property though. Heat pump systems depend more heavily on location, airflow, drainage, clearance, and ambient conditions than a standard electric storage tank. The available space, installation position, surrounding noise considerations, and practical plumbing layout all matter. JR Gas & Water considers the intended location, the existing system, plumbing layout, electrical supply, and how the home actually uses hot water 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 the appliance price on the day of purchase. It is also about how efficiently it runs, how reliably it performs, how well it is supported, and how long it continues to suit the household. A recognised model like the Rheem MPi-325 Series II Heat Pump gives homeowners more confidence in build quality, efficiency, parts support, and long-term ownership than many cheaper alternatives.

That matters even more with heat pumps, because they are more installation-sensitive than a standard electric tank. A quality unit from a recognised brand is more likely to deliver the performance, recovery, and long-term support that homeowners expect when they invest in a more advanced hot water system. Better design, stronger brand backing, and a more established support network can make a real difference over time.

For many homeowners, choosing a better heat pump up front is really about reducing the risk of disappointment later. When a system is being installed into your home, long-term efficiency, reliability, and product support are usually worth more than the smallest upfront saving.

Professional Rheem MPi-325 Series II Heat Pump Installation in Brisbane & Gold Coast

JR Gas & Water provides professional Rheem MPi-325 Series II Heat Pump installation in Brisbane & Gold Coast for customers who want the system installed properly to suit their property, services, and household needs. We take an installation-led approach because heat pump hot water systems need more than a simple swap-over to perform properly. The final result depends on choosing the right location, making sure the airflow and clearances are suitable, and ensuring the plumbing and electrical setup match the system.

For heat pump installations, the job is not just about placing the unit where the old tank was. It also needs to suit access, base support, surrounding space, condensate handling, pipework arrangement, and the practical day-to-day use of the property. That is why hot water installation in Brisbane or hot water installation on the Gold Coast should be assessed as a proper installation project, not just treated as a simple 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 heat pump hot water system installed by licensed professionals, we help make sure the system and installation path are right for the home.

What’s Involved in Installing the Rheem MPi-325 Series II Heat Pump?

A standard Rheem MPi-325 Series II Heat Pump installation will usually involve supplying the genuine unit, removing the old system where applicable, positioning the new heat pump in a suitable location, connecting it to existing plumbing and electrical services where those services are suitable, testing the system, 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 replacements, while others may require extra works to suit the new system properly. Depending on the site, that may include valve upgrades, tempering valve work, drainage provisions, base considerations, pressure limiting valve requirements, relocation pipework, condensate handling, or electrical adjustments.

Because this is a heat pump hot water system, available airflow, clearance, installation position, and electrical suitability are all important. 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 home and make sure the installation suits the property, existing system, plumbing layout, power supply, and intended use. That matters with a model like the Rheem MPi-325 Series II Heat Pump, because the best result depends on both the heat pump and the installation being right for the home.

Customers choose JR Gas & Water because we understand real hot water replacement work in real homes, not just brochure features. We look at whether the current system is a straightforward replacement, whether the proposed location is suitable, whether extra drainage or plumbing work is needed, and whether the setup makes sense for the household’s usage. For homeowners looking for reliable installers in Brisbane or the Gold Coast, that more practical approach helps reduce guesswork and leads to a better installation outcome.

Rheem MPi-325 Series II Heat Pump Installation FAQs

How much does Rheem MPi-325 Series II Heat Pump installation cost in Brisbane or the Gold Coast?
The final cost depends on whether it is a straightforward replacement or whether extra plumbing, drainage, base, valve, or electrical works are required. A simple like-for-like installation is usually more straightforward than a job needing location or service changes.

Is the Rheem MPi-325 Series II Heat Pump right for my home?
It can be a strong option if you want an efficient heat pump hot water system and your property has a suitable installation location with the right airflow, clearance, and services. Household size and hot water usage should be considered before choosing the 325 litre model.

What is included in a standard Rheem MPi-325 Series II Heat Pump 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 MPi-325 Series II Heat Pump replace my current system?
In many cases, yes, particularly where it is replacing an older electric storage system. Suitability depends on the available location, airflow, plumbing arrangement, drainage, and whether the property is suited to a heat pump installation.

Can JR Gas & Water install the Rheem MPi-325 Series II Heat Pump in my area?
JR Gas & Water installs hot water systems across Brisbane, the Gold Coast, and surrounding service areas. If you want, send the next model and I’ll keep them in the same format.

    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​

    Brand - Rheem
    Model Number - 551325
    Volume - 325L
    Width - 619mm
    Height - 1631mm
    Manufactured In - Australia
    Cylinder/ Heat Exchange Material - Steel Enamel
    Cylinder/Heat-Exchange Warranty - 5 Years
    Noise Level - 47dBa
    Dry Weight - 130kg
    Energy Source - Solar
    Wifi Controller Built in or Compatible - No
    Built In Timer - No
    LED/LCD Status Indicator - Yes
    Coefficient of Performance (COP) - 4.5

    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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