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Best Gas Continuous Hot Water Systems

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85 listings

Joolca HOTTAP
  • Award Winner 2020
  • 2019
  • 2018

Joolca HOTTAP · includes 2 listings

4.6 from 247 reviews

Latest review: I use mine for camping and have found it to be absolutely useless in even the slightest breeze. Jollka themselves even suggest you might get better performance by blocking the vents and reversing the

  • Temperature Consistency
    4.2 (45)
  • Heating Speed
    4.4 (45)
  • Build Quality
    4.3 (47)
  • Value for Money
    4.3 (47)
  • Cleaning & Maintenance
    4.6 (42)
  • Noise Level
    4.6 (41)
  • Smells of GasYes (0) · No (46)
Dux Always Hot Continuous Flow
  • Award Winner 2020

Dux Always Hot Continuous Flow · includes 20 listings

4.4 from 34 reviews

Latest review: Really happy with the product. looks neat and tidy against the wall. much better than the gas hot water tank we had. Very happy with the system and the

  • Temperature Consistency
    4.5 (20)
  • Heating Speed
    4.0 (20)
  • Build Quality
    4.7 (21)
  • Value for Money
    4.3 (22)
  • Cleaning & Maintenance
    4.6 (16)
  • Noise Level
    4.7 (21)
  • Smells of GasYes (1) · No (12)
Rinnai Infinity Range

Rinnai Infinity Range · includes 10 listings

3.1 from 210 reviews

Latest review: we always have Hot water and have 8 people living in the house. low cost water heater and I can control the temperature so the kids don't get burnt. I couldn't live without

  • Temperature Consistency
    3.0 (22)
  • Heating Speed
    3.1 (22)
  • Build Quality
    3.5 (21)
  • Value for Money
    3.0 (23)
  • Cleaning & Maintenance
    4.0 (18)
  • Noise Level
    3.9 (21)
  • Smells of GasYes (2) · No (21)
Thermann Gas Continuous Flow

Thermann Gas Continuous Flow · includes 3 listings

3.0 from 35 reviews

Latest review: Our plumber returned and fixed the problem. We are happy with the result. Still not as hot as H/W/S. We still have a lot of wasted water before getting hot water because the unit is outside. Overall

  • Temperature Consistency
    3.0 (14)
  • Heating Speed
    3.1 (14)
  • Build Quality
    3.4 (11)
  • Value for Money
    3.1 (13)
  • Cleaning & Maintenance
    3.3 (8)
  • Noise Level
    3.5 (11)
  • Smells of GasYes (6) · No (9)
Smarttek Black Smart Hot Water System

Smarttek Black Smart Hot Water System

4.2 from 10 reviews

Latest review: This hot water system endures day in day out use on the farm or out camping by the creek with no issue! this is our second hot water system, the first one is hard mounted to our camping hut.

  • Temperature Consistency
    4.5 (10)
  • Heating Speed
    4.4 (10)
  • Build Quality
    4.4 (9)
  • Value for Money
    4.2 (10)
  • Cleaning & Maintenance
    4.8 (10)
  • Noise Level
    5.0 (10)
  • Smells of GasYes (0) · No (10)
Rinnai B26

Rinnai B26

2.4 from 24 reviews

Latest review: Since we’ve had this system it has never worked properly especially in winter (although occasionally in summer). Getting hot water to run is close to impossible. It involves switching off system and b

  • Temperature Consistency
    2.9 (11)
  • Heating Speed
    1.8 (13)
  • Build Quality
    3.1 (11)
  • Value for Money
    2.1 (11)
  • Cleaning & Maintenance
    3.0 (10)
  • Noise Level
    2.7 (12)
  • Smells of GasYes (1) · No (12)
Rheem Continuous Flow

Rheem Continuous Flow · includes 21 listings

1.9 from 81 reviews

Latest review: Tales for ever for hot water to flow, wasting valuable resources. Known issue? Inherited the unit when I bought the house 3 years ago. I am now being suggested water heaters with heat pump

  • Temperature Consistency
    3.4 (5)
  • Heating Speed
    3.0 (4)
  • Build Quality
    2.8 (4)
  • Value for Money
    2.2 (5)
  • Cleaning & Maintenance
    4.0 (3)
  • Noise Level
    3.3 (3)
  • Smells of GasYes (1) · No (4)
Bosch HydroPower

Bosch HydroPower · includes 3 listings

1.7 from 278 reviews

Latest review: Needs to be set up correctly.. good for small family... not for large households.. Slow the water flow right down and full heat..on settings...Make sure whoever set it up , have the Lpg regulator

  • Temperature Consistency
    2.6 (18)
  • Heating Speed
    2.5 (18)
  • Build Quality
    2.5 (17)
  • Value for Money
    2.2 (17)
  • Cleaning & Maintenance
    2.4 (13)
  • Noise Level
    3.2 (13)
  • Smells of GasYes (1) · No (15)
Bosch Pilot Ignition

Bosch Pilot Ignition · includes 2 listings

2.4 from 16 reviews

Latest review: -Decent output: can cope with two long showers in a row -Temperature fluctuates often, meaning constant adjustment are required -Pilot light goes out at the faintest suggestion of a storm (in Perth,

  • Temperature Consistency
    3.0 (3)
  • Heating Speed
    4.0 (3)
  • Build Quality
    2.7 (3)
  • Value for Money
    3.3 (3)
  • Cleaning & Maintenance
    2.5 (2)
  • Noise Level
    3.3 (3)
  • Smells of GasYes (0) · No (3)
Chromagen Eternity 26

Chromagen Eternity 26

2.5 from 12 reviews

Latest review: Why is my M26 so terrible? I took handover of my new home in September 2019 and almost straight away I started having problems with the hot water boiler, firstly it takes ages to get hot wasting

  • Temperature Consistency
    3.0 (2)
  • Heating Speed
    2.5 (2)
  • Build Quality
    3.7 (3)
  • Value for Money
    3.7 (3)
  • Cleaning & Maintenance
    5.0 (2)
  • Noise Level
    5.0 (3)
  • Smells of GasYes (0) · No (2)
Rheem Metro

Rheem Metro · includes 6 listings

2.3 from 11 reviews

Latest review: It broke down under 5 years. I emailed Rheem. No warranty cover at all. They sent me a service man to check. There is nothing he can do. I was asked to get a new

  • Temperature Consistency
    5.0 (3)
  • Heating Speed
    4.3 (3)
  • Build Quality
    4.0 (4)
  • Value for Money
    4.0 (4)
  • Cleaning & Maintenance
    5.0 (2)
  • Noise Level
    4.7 (3)
  • Smells of GasYes (0) · No (3)
Bosch Optiflow Professional

Bosch Optiflow Professional · includes 3 listings

1.2 from 52 reviews

Latest review: My unit was one month over 2 years old before failing completely. As with a lot of people on here we had fluctuating water temperature since the unit was installed new. I was on LPG and every time we

  • Temperature Consistency
    2.0 (26)
  • Heating Speed
    1.6 (26)
  • Build Quality
    1.8 (22)
  • Value for Money
    1.3 (22)
  • Cleaning & Maintenance
    1.8 (19)
  • Noise Level
    1.6 (22)
  • Smells of GasYes (10) · No (15)
Eco Alliance Dynaheat 260L

Eco Alliance Dynaheat 260L

5.0 from 1 review

Latest review: The guys did a great job installing the unit (plumbing and electrical required) and we now have a new hot water system which works reliably and exactly as it should. We turn on the tap and there’s h

Chromagen Eternity Plus  M20

Chromagen Eternity Plus M20

3.0 from 1 review

Latest review: This is a replacement to eternity T20. Eternity T20 made in Japan but this model M20 made in China but have a 6.5star energy rating as T20was only 6star. Same type of construction but a few internal

  • Temperature Consistency
    4.0 (1)
  • Heating Speed
    4.0 (1)
  • Build Quality
    3.0 (1)
  • Cleaning & Maintenance
    4.0 (1)
  • Noise Level
    5.0 (1)
  • Smells of GasYes (0) · No (1)
  • TypeContinuous
  • Max Water Pressure1,200 kPa
  • Min Water Pressure 150 kPa
  • Dimensions 595 x 375 x 165 mm
  • Gas TypeLPG and Natural Gas
  • Energy Rating6.5 star(s)
  • InstallationExternal
  • LPG Consumption 160 mJ/hr
  • Nautral Gas Consumption 160 mJ/hr
  • Flow Rate20 L/min
Bosch Optiflow with Bluetooth

Bosch Optiflow with Bluetooth · includes 3 listings

2.7 from 3 reviews

Latest review: Bought a Bosch Optiflow with Bluetooth and what a mistake! The Bluetooth has a feeble range and cannot connect via the Apps from indoors! Our Rinnai was perfect, The supplied Remote worked from

  • Temperature Consistency
    5.0 (1)
  • Heating Speed
    5.0 (1)
  • Build Quality
    5.0 (1)
  • Value for Money
    5.0 (1)
  • Cleaning & Maintenance
    5.0 (1)
  • Noise Level
    2.0 (1)
  • Smells of GasYes (0) · No (1)
Rinnai B16

Rinnai B16

2.6 from 8 reviews

Latest review: Installed Rinnai B16 closer to Kitchen instead of having a 15 Metres run upgraded the gas supply back to the meter box. Client was happy with my design. Going back to the 1980's where the design was

  • Temperature Consistency
    3.0 (4)
  • Heating Speed
    3.3 (4)
  • Build Quality
    3.0 (5)
  • Value for Money
    2.8 (5)
  • Cleaning & Maintenance
    3.0 (5)
  • Noise Level
    3.6 (5)
  • Smells of GasYes (1) · No (5)
Bosch Hot Water & Heating Optiflow Professional External 12L

Bosch Hot Water & Heating Optiflow Professional External 12L

2.0 from 1 review

Latest review: I switched my hot water service from storage to continuous flow, and went from excellent water pressure to crap - from needing 2 minute showers to wash my short hair, to needing 15 min showers to do

Rinnai GHF4135

Rinnai GHF4135 · includes 2 listings

2.0 from 2 reviews

Latest review: Have not had the best experience so far. (3 month old tank) Day two following tank installation, no hot water. The pilot light has gone out. Ok easy to relight. A few days later, no hot water again.

  • Temperature Consistency
    4.0 (1)
  • Heating Speed
    3.0 (2)
  • Build Quality
    2.0 (1)
  • Value for Money
    3.0 (1)
  • Smells of GasYes (0) · No (2)
  • Gas TypeLPG and Natural Gas
  • Energy Rating5 star(s)
Bosch Internal Compact

Bosch Internal Compact · includes 3 listings

1.4 from 7 reviews

Latest review: After 30 years of service our old water heater died. It was a Bosch, so we replaced it with similar characteristics Bosch product, thinking that we'll get similar quality. This is what happens -

Chromagen Eternity T20

Chromagen Eternity T20

1.0 from 2 reviews

Latest review: Was working great initially but within 4years broken due to internal leak. Lucky no electric shock happened. Forced to replace as it broken during the weekend. Very disappointed... Only 3years

  • Temperature Consistency
    4.0 (1)
  • Heating Speed
    3.0 (1)
  • Build Quality
    1.0 (1)
  • Value for Money
    1.0 (1)
  • Cleaning & Maintenance
    1.0 (1)
  • Noise Level
    5.0 (1)
  • Smells of GasYes (0) · No (1)
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