rinnai hot water systems
The inconvenience and interruption to your daily schedule and lifestyle as a result of a hot water system failure cannot be overstated. Do you need a new hot water service or a fast hot water repair? At Aquatek Plumbing & Gas, we service and repair all common hot water brands including Rinnai.

Rinnai hot water
Rinnai is an established company since 1920 and well known as a global Japanese manufacturer of heat and energy appliances. Rinnai has been providing various products that meet the needs of customers under the keywords of “safety and peace of mind,” “comfort,” and “environmentally friendly.” Rinnai is known for their quality and efficient hot water systems and providing a wide range of hot water system options customized to customers needs. Our team at Aquatek Plumbing & Gas is experienced with Rinnai hot water system repair and installation in Adelaide and we are happy to provide you with a free quote on a new Rinnai system at any time.
Interest-free
hot water
We offer 0% deposit, interest free options, so you can pay in easy and flexible installments.
Hydro Jet Special
From $295 for the first 60 minutes. The price includes labour, machine fee and GST. *T&C’s apply
Our services
from $95
We provide a comprehensive range of plumbing and gas fitting services across the greater Adelaide metropolitan area.
Rinnai hot water services

Rinnai Hotflo Electric Hot Water System 25-400L
- Enamel lined steel tank for extra durability
- Perfect for medium sized families
- Inbuilt anode protection extends the life of the tank
- Dual handed, allows increased flexibility during installation
- Suitable for internal and external use
- Thermostatically controlled with safety temperature shut off for added peace of mind
- Single and Twin element available on various models
- 10 year cylinder warranty
- Rinnai different model options

Rinnai Hotflo Medium Capacity Gas Storage Tank
- First hour delivery capacity* – 209 litres
- 4.7 Star energy rating
- Storage capacity – 135 litres
- Enamel lined steel tank adds durability for a longer life
- Inbuilt anode protection extends the life of the tank
- Pressure temperature relief valve
- External use only
- Available in natural and propane gas
- 8 year cylinder warranty
- 170 litres variant also available
- Thermostatically controlled with safety temperature shut off for added peace of mind

Rinnai Sunmaster Evacuated Tube System
- A range of storage capacities from 175 litres to 315 litres
- Available with electric boost or continuous flow gas boost
- Minimal impact on the aesthetics of your roofline
- No need to reinforce the roof structure
- Frost tolerant for temperatures as low as -12° C
- Solar collectors available in 20, 25 or 30 tube configurations
- A sacrificial anode is provided in the tank for added protection
- 15 years warranty on the solar collectors
- 5 years warranty on the storage tanks
- Rinnai different model options sunmaster range

Rinnai S20 Solar Booster
- Quality Japanese design and manufacturing
- Designed specifically for solar
- Perfect for single bathroom homes
- Never runs out of hot water
- Precise temperature control for safety and convenience
- Compact design allows installation flexibility
- Suitable for higher ambient water temperatures
- Compatible with low flow rated shower fixtures (3 Star – 7.0 to 9.0 l/min)
- 12 Year Heat Exchanger warranty
- Also available in Solar S26
- Rinnai different model options for solar gas boosters

Rinnai Enviroflo Heat Pump
- Highly efficient
- Simple all-in-one installation
- Whisper quiet operation below 48 dBA
- Perfect for replacing an electric system
- R290 refrigerant with only 300 grams charge
- Hard water compatible
- 1000 kPa maximum water pressure rating
- Class leading weight for easy handling and installation
- 250L and 315L capacities available

Rinnai Gas Continuously Flow Hotflo Wall Mounted Hot Water Systems 10L
- High efficiency with 5.6 stars
- 10 litres per minute of hot water @ 25°C rise
- Battery ignition – no power required and ideal for remote locations
- Sleek and modern design to suit contemporary homes
- Natural gas or LPG available
- You never run out of hot water
- Minimum flow rate of 2.9 litres per minute
- Class leading warranty of 3 years parts and 10 years heat exchanger

Rinnai Infinity 12-26L
- Low running costs
- Highly efficient and never runs out of hot water
- 6.1 Star equivalent energy rating
- Low greenhouse gas emissions
- Quality Japanese design and manufacturing
- Precise temperature control for safety and convenience
- Compact design allows installation flexibility
- Suitable for higher ambient water temperatures
- Compatible with low flow rated shower fixtures (3 Star – 7.0 to 9.0 l/min)
- Rinnai different model options for wall mounted systems
rinnai hot water system repair & installation
At Aquatek Plumbing & Gas, we provide a 24/7 hot water emergency plumbing service and are on hand to help you deal with a crisis situation immediately.
Our experienced and qualified Adelaide plumbers are available to tackle any problems caused by your Rinnai hot water system in all suburbs and districts.
Your local 24/7 Emergency Plumber & Gas Service!
With more than 15 years’ experience behind us, our qualified plumbers and gas fitters are all highly skilled and we pride ourselves on providing honest, reliable and affordable service. We are always quick to respond, whether it is a major emergency or minor repairs, and our team of professional and qualified Adelaide plumbers are equipped to tackle both the biggest and smallest jobs. As part of our first-rate customer service, we make sure that we offer competitive prices and workmanship of the highest quality. You can count on Aquatek Plumbing and Gas.
Why Choose Us?
- Locally owned & operated family business in Adelaide
- Over 200+ Combined 5-Star Reviews
- Honest & Reliable Services
- Free Quotes
- Licensed & Insured
- Pensioner Discount
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