Rinnai Hot Water Systems
Shop Rinnai hot water systems online with Installed Today for instant gas continuous flow, electric storage, gas storage and heat pump hot water options. Rinnai is one of Australia’s most recognised hot water brands, commonly compared by customers replacing an existing gas unit, upgrading from an older electric tank, choosing a heat pump, or selecting a practical hot water system for homes, townhouses, rentals and renovations.
Rinnai hot water systems are often chosen for everyday residential replacement jobs where the customer wants a trusted brand, strong product range and practical options across gas, electric and heat pump systems. Whether you need a compact instant gas system, a family-sized continuous flow unit, an electric storage replacement or a Rinnai Enviroflo heat pump, Installed Today makes it easier to compare Rinnai options online before ordering.
Choose supply only if you already have your own licensed installer arranged, or select supplied and installed options where available in eligible Brisbane and Gold Coast service areas.
Supply Only Rinnai Hot Water Systems Across Australian Metro Areas
Supply-only Rinnai hot water systems are ideal if you already have your own licensed plumber, electrician or gas fitter arranged. This option suits homeowners, builders, renovators, property managers, landlords and trade customers who need the product supplied without installation included.
The product price is for the Rinnai hot water system only. Installation, valves, old unit removal, disposal, electrical work, gas work, pipework changes, drainage work, tempering valves, access upgrades and compliance upgrades are not included unless selected separately or shown as part of the chosen option.
Before ordering supply only, check that the selected Rinnai system suits your property, household demand, gas type if applicable, existing setup, installation location, access, connection positions and installation requirements.
Supplied and Installed Rinnai Hot Water Systems in Brisbane and Gold Coast
Supplied and installed options may be available on selected Rinnai hot water systems in eligible Brisbane and Gold Coast service areas. This option is useful when you want the Rinnai system and installation arranged together instead of buying the unit separately.
Installation availability depends on the selected Rinnai product, property location, existing system, access, plumbing setup, gas type, electrical requirements, drainage, valve condition and any additional work required.
Some replacements may need additional valves, disposal, gas pipework changes, electrical work, pipework alterations, drainage changes, wall mounting changes, base work or compliance upgrades. These are not included unless selected separately or shown as part of the chosen option.
Rinnai Instant Gas Continuous Flow Hot Water
Rinnai instant gas hot water systems, also known as Rinnai continuous flow hot water systems, heat water as it passes through the unit instead of storing hot water in a tank.
These systems are commonly compared by customers replacing an existing Rinnai Infinity, Rinnai B Series or other continuous flow gas unit. They can suit homes already set up for natural gas or LPG, especially where a compact external wall-mounted hot water system is preferred.
Instant gas systems are compared by flow rate rather than tank size. The right Rinnai model depends on the number of bathrooms, number of people, gas supply, water pressure, installation location and how many hot water outlets may be used at the same time.
Rinnai Infinity Hot Water Systems
Rinnai Infinity hot water systems are commonly compared by customers wanting a continuous flow gas hot water option from a well-known brand. These systems are often selected for homes where natural gas or LPG is available and the household wants hot water heated on demand.
Rinnai Infinity systems may suit customers replacing an older continuous flow unit, upgrading flow rate, changing from gas storage to instant gas where suitable, or choosing a compact external system for a renovation.
Before ordering a Rinnai Infinity system, check the gas type, flow rate, installation location, water pressure, gas supply, connection positions, clearances, electrical requirements and whether the selected model suits the household’s daily hot water use.
Rinnai B Series Gas Hot Water Systems
Rinnai B Series continuous flow systems are commonly chosen for practical residential gas hot water replacement. They may suit customers wanting a straightforward instant gas option in natural gas or LPG, depending on the selected model.
Rinnai B Series systems are often compared by litre-per-minute flow rate. Smaller models may suit compact homes or lower-demand applications, while larger models may suit family homes where the gas supply, water pressure and installation conditions are suitable.
If replacing an existing Rinnai B Series unit, check the current model, gas type, flow rate and installation location before choosing a replacement.
Natural Gas and LPG Rinnai Systems
Many Rinnai gas hot water systems are available in natural gas and LPG versions depending on the model range and stock availability. The correct gas type must be selected before ordering.
Natural gas Rinnai systems are designed for properties connected to a natural gas supply. LPG Rinnai systems are designed for properties using bottled LPG.
Natural gas and LPG hot water systems are not interchangeable. Ordering the wrong gas type can delay installation and may require product exchange or additional work. If you are unsure, check the label on the existing hot water system or confirm the gas type with your licensed gas fitter before ordering.
Rinnai Electric Hot Water Systems
Rinnai electric storage hot water systems are commonly used for straightforward replacement jobs where the home already has an electric storage tank. These systems heat and store water inside a tank, giving the home a ready supply of hot water for showers, taps, kitchens and laundries.
Rinnai electric systems may suit homes, townhouses, apartments, rental properties, granny flats and renovations where electric storage hot water is already installed.
The right electric storage size depends on household demand, number of people, number of bathrooms, bath use, laundry use, shower habits and whether the old system has been keeping up.
Rinnai Heat Pump Hot Water Systems
Rinnai heat pump hot water systems, including Rinnai Enviroflo options, are commonly compared by customers wanting a more efficient electric hot water upgrade. A heat pump uses heat from the surrounding air to help heat stored water, making it different from a standard electric storage tank.
A Rinnai heat pump may suit customers replacing an old electric hot water system, upgrading during a renovation, choosing a more efficient electric storage-style option, or selecting a system for a home where outdoor space, airflow and drainage are suitable.
Heat pumps need more site planning than standard electric tanks. Before ordering, check the tank size, airflow clearances, drainage, outdoor location, noise position, electrical requirements, access path and whether the system suits the household’s daily hot water demand.
Rinnai Enviroflo Heat Pump Systems
Rinnai Enviroflo heat pump systems are commonly compared by customers wanting a recognised-brand heat pump option for electric hot water replacement. They may suit homes already using electric storage hot water where the customer wants to compare heat pump performance, tank size and installation requirements.
Enviroflo systems can suit different household sizes depending on the selected model. Smaller options may suit lower-use homes, while larger options may suit family households where the tank capacity and recovery suit daily demand.
Before choosing a Rinnai Enviroflo system, check outdoor installation conditions, available space, airflow, drainage, electrical setup, access, noise location and whether the selected capacity suits the home.
Rinnai Gas Storage Hot Water Systems
Rinnai gas storage hot water systems may suit customers replacing an existing natural gas or LPG storage-style unit. Gas storage systems heat and store water in a tank, giving the household a ready supply of hot water for everyday use.
Gas storage can be a practical option where the home already uses gas storage hot water and the existing system type has worked well. It may suit family homes, rental properties and customers who prefer a familiar tank-style gas hot water system rather than changing to continuous flow.
Before ordering a Rinnai gas storage system, check the gas type, tank size, installation location, access, connection positions, ventilation and whether the selected system is a practical replacement for the current unit.
Choosing the Right Rinnai Hot Water System Size
Choosing the right Rinnai system depends on system type and household demand.
For electric and gas storage systems, tank size matters. A smaller tank may suit compact homes, units, granny flats or low-use households. A larger tank may suit family homes, multiple bathrooms, bath use and heavier daily hot water demand.
For Rinnai heat pumps, tank size, recovery, outdoor location and airflow all matter. The system needs to suit the household’s peak hot water use and the installation site.
For Rinnai instant gas systems, flow rate matters. A smaller continuous flow unit may suit lower-demand homes, while a larger model may be needed for family homes, multiple bathrooms or higher peak-time use.
If the existing system has always supplied enough hot water, a similar capacity or flow rate may be a good starting point. If the home regularly runs out of hot water or pressure drops during use, the replacement should be selected based on actual demand and site suitability.
Replacing an Existing Rinnai Hot Water System
Replacing an existing Rinnai hot water system can often be simpler than changing to a different system type, especially if the current unit has performed well and the home’s hot water needs have not changed.
Before choosing a replacement, check the old Rinnai model, system type, tank size or flow rate, gas type if applicable, installation location, connection positions, electrical supply, valve condition, wall mounting or base condition and access.
If the current Rinnai system is instant gas, compare gas type and flow rate first. If the current system is electric storage, compare electric storage and heat pump options. If the current system is gas storage, compare gas storage and continuous flow options based on the site.
A replacement is also a good time to check whether household demand has changed. More occupants, extra bathrooms, renovations, tenants or heavier water use may mean the old system size is no longer the best fit.
Rinnai for Rental Properties
Rinnai hot water systems are commonly compared for rental properties because landlords and property managers often want practical, recognisable and serviceable replacement options.
For rentals, the best Rinnai system is usually one that suits the expected number of occupants, existing energy source, installation location and daily hot water demand.
Electric storage may suit many standard rental properties where the home is already set up for electric hot water. Instant gas may suit homes already using continuous flow gas. Heat pumps may suit rentals where the owner wants a more efficient electric option and the site is suitable.
When choosing a Rinnai system for a rental, avoid undersizing. A system that is too small can create tenant complaints and may not suit the expected daily demand of the property.
Rinnai for Family Homes
Family homes often need more careful hot water selection because demand can be concentrated during morning and evening routines. Multiple showers, bath use, laundry loads and kitchen use can quickly test an undersized system.
Rinnai instant gas, electric storage, gas storage and heat pump systems can all suit family homes depending on the property setup.
For instant gas, compare flow rate, gas supply and how many outlets may run at the same time. For storage systems, compare tank size and recovery. For heat pumps, compare tank size, airflow, drainage, recovery and installation location.
The right Rinnai system depends on the home, not just the number of people. Bathroom count, shower habits, bath use, energy source, water pressure and installation location all matter.
Rinnai for Renovations and Upgrades
Renovations are a good time to review whether the existing hot water system still suits the home. Adding bathrooms, upgrading showers, adding a bath, changing laundry use or increasing household occupancy can all affect hot water demand.
A renovation may also create an opportunity to upgrade from electric storage to heat pump, change from gas storage to instant gas, relocate the system, or select a larger system that better suits the new layout.
Before ordering a Rinnai system for a renovation, check the final fixture count, expected hot water use, energy source, gas supply if applicable, outdoor location, roof or wall access, drainage, pipework route, electrical supply and whether relocation or additional works may be required.
Rinnai Instant Gas Compared With Gas Storage
Rinnai instant gas systems heat water as it passes through the unit. They are usually wall-mounted externally and selected by flow rate.
Rinnai gas storage systems heat and store water in a tank. They may suit customers who want a familiar like-for-like replacement where gas storage is already installed.
Instant gas may be better where the customer wants a compact external system and the property has suitable gas supply, water pressure and installation conditions. Gas storage may be better where the existing storage system has worked well and the customer wants a tank-style replacement.
Changing from gas storage to instant gas may require gas pipework changes, wall mounting, plumbing changes, electrical work, drainage changes, valve upgrades and compliance work. These extras are not included unless selected separately or shown as part of the chosen option.
Rinnai Electric Storage Compared With Heat Pump
A Rinnai electric storage system is usually the simpler replacement where the home already has a standard electric hot water tank and the customer wants a familiar storage-style option.
A Rinnai heat pump may be worth comparing where the customer wants a more efficient electric hot water system and the installation location suits heat pump operation.
The trade-off is that heat pumps need more site planning than standard electric tanks. They need airflow, drainage, outdoor space and consideration of operating noise. They may cost more upfront but can be a strong option where efficiency is a priority.
The right choice depends on budget, available space, electrical setup, household demand and whether the customer wants the simplest replacement or a more efficient upgrade.
Outdoor Installation for Rinnai Gas Systems
Most standard residential Rinnai external gas hot water systems are outdoor units unless the product is specifically designed and approved for internal or flued installation.
Do not assume an external gas hot water unit can be installed indoors. Indoor gas installations require the correct appliance type, flueing, ventilation and compliance setup.
Before ordering, check the installation location, wall mounting surface, clearances, gas connection, water connections, drainage, electrical requirements, access for servicing and whether the unit is suitable for the intended location.
Rinnai Heat Pump Placement and Airflow
Rinnai heat pump hot water systems need suitable outdoor installation conditions. Airflow is important because the system draws heat from the surrounding air to help heat the stored water.
A heat pump should not be installed in a tight, enclosed or poorly ventilated space unless the product requirements specifically allow it. Poor airflow can affect performance, efficiency and noise.
Before ordering, check the outdoor location, airflow clearances, drainage, base condition, access path, electrical supply, pipework, valve condition, noise position and service access.
Gas Supply and Electrical Checks for Rinnai Systems
Rinnai gas systems need the correct gas type and suitable gas supply. Continuous flow gas systems can require adequate gas flow, especially larger models.
Rinnai electric and heat pump systems need suitable electrical conditions. Even if replacing an existing electric storage system, the new product may have different electrical or circuit requirements.
Before ordering, check:
Existing system type
Gas type if applicable
Gas pipe sizing where relevant
Electrical supply
Circuit requirements
Water pressure
Pipework position
Drainage
Valve condition
Access for delivery
Service clearance
Whether extra work may be required
Gas work, electrical work, plumbing changes, valves, disposal and compliance upgrades are not included unless selected separately or shown as part of the chosen option.
Rinnai Supply Only or Installed Options
Supply only is best when you already have your own licensed installer arranged and only need the Rinnai hot water system supplied.
Supplied and installed options may suit customers who want the product and installation arranged together where the selected Rinnai product and location are eligible.
For supply-only orders, your own installer should confirm the system is suitable before installation. For supplied and installed options, final suitability can depend on product availability, address, access, current system, valves, disposal, gas, electrical, pipework, drainage and compliance requirements.
Choosing the Right Rinnai System Online
Choosing the right Rinnai hot water system online is easier when you start with the current system.
If you have instant gas, compare Rinnai continuous flow systems by gas type, flow rate and installation location.
If you have electric storage, compare Rinnai electric storage and Rinnai heat pump options.
If you have gas storage, compare Rinnai gas storage or instant gas options based on the site.
If the home is being renovated or household demand has changed, compare the replacement based on future use rather than only the old unit.
The best Rinnai system is the one that suits the property, energy source, household demand, installation location and budget.
Why Buy Rinnai Hot Water Systems from Installed Today?
Installed Today makes it easier to compare Rinnai hot water systems online across instant gas, electric storage, gas storage and heat pump hot water options.
You can compare Rinnai products by system type, flow rate, tank size, gas type, household suitability, installation requirements and ordering pathway, then choose supply only or supplied and installed options where available.
Whether you need a Rinnai Infinity gas hot water system, a Rinnai B Series continuous flow unit, a Rinnai electric storage replacement, a Rinnai Enviroflo heat pump, a natural gas model, an LPG model, or a supply-only Rinnai product for your own installer, Installed Today helps you choose a practical Rinnai hot water system for your home, rental or renovation.