What Is Instant Gas Hot Water
Instant gas hot water systems heat water only when required which delivers endless hot water without the need for storing it in a tank. Simply Hot Water Perth supplies continuous flow systems with strong energy efficiency, stable temperature control and compact wall mounted designs that suit most Perth homes.
Why Instant Gas Hot Water Is Popular in WA
• Hot water on demand
• Lower running costs
• Ideal for multi bathroom homes
• Space saving installation
• Long lasting and efficient
• Consistent hot water during peak use
Browse Our Continous Flow Gas Hot Water Systems
Onsen 26L 50°C Maximum
$1,695 inc GST-Supply & Install
$853 inc GST-Trade Only
*Allow $540 for a 10Amp external GPO if required
- The Price includes Supply & Installation of the water heater
- Onsen 26L continuous flow gas hot water system is designed to deliver endless supply of hot water to your home.
- 50oC preset models have been preset to deliver water at a maximum of 50 degrees celsius.
- Models are available to suit either natural gas or LPG.
- The advantages of a continuous flow gas hot water systems is that energy is only consumed when you turn on your hot water and not lost from storing the hot water.
- The unit sits neatly outdoors, ready to keep you and your family warm, quickly and efficiently with its 6 star energy rating.
- Recess boxes are available to keep everything neat and tidy.
10 Year Warranty - 6 Star Energy Rating - LPG or Natural Gas
Onsen 26 L 60°C Maximum
$1,795 inc GST-Supply & Install
$925 inc GST-Trade Only
Electrical allowance $540 includes 10amp GPO within 1 Mtr of the existing water heater if required.
- The Price includes Supply & Installation of the water heater, as per the terms & conditions of sale, as detailed at the Checkout.
- Add to Cart
- Onsen 26L continuous flow gas hot water system is designed to deliver endless supply of hot water to your home.
- 60oC preset models have been preset to 60oC however with the included controller you have the option to adjust the temperature to how you like it, where you like it.
- This high capacity unit is only suitable for homes with natural gas.
- The advantages of a continuous flow gas hot water systems is that energy is only consumed when you turn on your hot water and not lost from storing the hot water.
- The unit sits neatly outdoors, ready to keep you and your family warm, quickly and efficiently with its 6 star energy rating.
10 Year Warranty - 6 Star Energy Rating - LPG or Natural Gas
Onsen 30 L 60°C Maximum
$1,895 inc GST-Supply & Install
$1,005 inc GST-Trade Only
Electrical allowance $540 includes 10amp GPO within 1 Mtr of the existing water heater if required.
- The Price includes Supply & Installation of the water heater.
- Onsen 30L continuous flow gas hot water system is designed to deliver endless supply of hot water to your home.
- 60oC preset models have been preset to 60oC however with the included controller you have the option to adjust the temperature to how you like it, where you like it.
- This high capacity unit is only suitable for homes with natural gas.
- The advantages of a continuous flow gas hot water systems is that energy is only consumed when you turn on your hot water and not lost from storing the hot water.
- The unit sits neatly outdoors, ready to keep you and your family warm, quickly and efficiently with its 6 star energy rating.
10 Year Warranty - 6 Star Energy Rating - LPG or Natural Gas
Rinnai B16 50°C Maximum
$1,790 inc GST-Supply & Install
Electrical allowance $540 includes 10amp GPO within 1 Mtr of the existing water heater if required.
- The Price includes Supply & Installation of the water heater, as per the terms & conditions of sale, as detailed at the Checkout.
- Add to Cart
- Rinnai 16L continuous flow gas hot water system is designed to deliver endless supply of hot water to your home.
- 50oC preset models have been preset to deliver water at a maximum of 50 degrees celsius.
- Models are available to suit either natural gas or LPG.
- The advantages of a continuous flow gas hot water systems is that energy is only consumed when you turn on your hot water and not lost from storing the hot water.
- The unit sits neatly outdoors, ready to keep you and your family warm, quickly and efficiently with its 6 star energy rating.
10 Year Warranty - 6 Star Energy Rating - LPG or Natural Gas
Rinnai B20 50°C Maximum
$1,875 inc GST-Supply & Install
Electrical allowance $540 includes 10amp GPO within 1 Mtr of the existing water heater if required.
- The Price includes Supply & Installation of the water heater.
- Rinnai 20L continuous flow gas hot water system is designed to deliver endless supply of hot water to your home.
- 50oC preset models have been preset to deliver water at a maximum of 50 degrees celsius.
- Models are available to suit either natural gas or LPG.
- The advantages of a continuous flow gas hot water systems is that energy is only consumed when you turn on your hot water and not lost from storing the hot water.
- The unit sits neatly outdoors, ready to keep you and your family warm, quickly and efficiently with its 6 star energy rating.
10 Year Warranty - 6 Star Energy Rating - LPG or Natural Gas
Rinnai B26 50°C Maximum
$1,925 inc GST-Supply & Install
Electrical allowance $540 includes 10amp GPO within 1 Mtr of the existing water heater if required.
- The Price includes Supply & Installation of the water heater.
- Rinnai 26L continuous flow gas hot water system is designed to deliver endless supply of hot water to your home.
- 50oC preset models have been preset to deliver water at a maximum of 50 degrees celsius.
- Models are available to suit either natural gas or LPG.
- The advantages of a continuous flow gas hot water systems is that energy is only consumed when you turn on your hot water and not lost from storing the hot water.
- The unit sits neatly outdoors, ready to keep you and your family warm, quickly and efficiently with its 6 star energy rating.
10 Year Warranty - 6 Star Energy Rating - LPG or Natural Gas
Our Instant Gas Hot Water Services
Instant Gas Hot Water Installation
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Continuous Flow Upgrades
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Maintenance and Servicing
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Benefits of Continuous Flow Gas Hot Water
• Endless hot water
• Lower energy consumption
• Compact wall mounted design
• Strong temperature stability
• Durable and long lasting
• Suitable for small and large properties
Why Choose Simply Hot Water Perth
• Specialists in instant gas hot water systems
• Fast response across Perth
• Experienced and licensed technicians
• Clear upfront pricing
• Quality systems designed for WA conditions
• Reliable service with strong customer satisfaction
Need Instant Continuous FlowGas Hot Water?
Call (08) 6374 5892 or email sales@simplyhotwaterperth.com.au for a fast, obligation free quote. Our team will recommend the right instant gas hot water system for your home.
FAQs About Instant Continuous Flow Gas Hot Water Systems in Perth
How does an instant gas hot water system work
It heats water as it flows through the unit which provides constant hot water without a storage tank.
Is instant gas hot water cheaper to run
Yes. It only heats water when used which helps reduce energy consumption.
How long does installation take
Most installations are completed within a few hours depending on your home setup.
Can I replace an electric system with instant gas hot water
Yes. Many Perth homes upgrade from electric storage to continuous flow gas for better efficiency and reliability.
What size instant gas system do I need
System size depends on the number of bathrooms and your hot water demand. We assess this during the quoting process.
Do instant gas systems work in winter
Yes. Modern systems maintain strong temperature control even during cold mornings.
How long do instant gas systems last?
Most units last between 12 and 20 years with regular maintenance.
Do instant gas systems require servicing
Annual servicing is recommended to maintain performance, safety and efficiency.
Are instant gas hot water systems safe
Yes. Licensed installation and routine servicing ensure compliant and safe operation.
How do I get a quote
Call (08) 6374 5892 or email sales@simplyhotwaterperth.com.au to request a quote.