Instantaneous Gas Water Heaters Auckland
Auckland's Continuous Flow Gas Water Heating Specialists, endless hot water, lower running costs, installed by Certifying Gasfitters.
If you're looking for endless hot water, lower running costs and a modern gas hot water solution, an instantaneous gas water heater (also known as a continuous flow water heater) is one of the best upgrades you can make to your home.
Unlike traditional hot water cylinders, instantaneous water heaters only heat water when you turn on a tap. There is no stored hot water waiting to be reheated throughout the day, meaning you only pay for the hot water you actually use.
Our Certifying Gasfitters have installed hundreds of continuous flow gas water heaters throughout Auckland, from small residential homes through to large commercial systems with multiple units operating together.
Every installation commissioned, tested and certified.
All continuous flow work is completed to current New Zealand gas regulations by registered Certifying Gasfitters.
- Certifying Gasfitters
- PGDB Registered
- Natural Gas specialists
- LPG specialists
- Commercial gas specialists
- Gas leak detection experts
- Continuous flow system experts
- Fully insured
- Servicing the wider Auckland region
- Compliance certification on every job
Why Choose an Instantaneous Gas Water Heater?
Continuous flow gas water heaters have become one of New Zealand's most popular hot water systems because they deliver hot water only when you need it. Whether you're filling a bath, running multiple showers or simply washing the dishes, a correctly sized unit provides consistent hot water on demand.
- Endless hot water
- No hot water cylinder taking up space
- Lower running costs
- High energy efficiency
- Compact wall-mounted installation
- Mains pressure hot water
- Perfect for modern bathrooms
- Excellent for large families
- Long service life
- Reliable performance
Endless Hot Water On Demand
Traditional cylinders can eventually run out of stored hot water. A continuous flow unit works differently, as long as it's correctly sized for your household, you'll never run out.
- 1Water begins flowing through the appliance.
- 2The gas burner automatically ignites.
- 3The water is heated instantly.
- 4Hot water continues flowing for as long as you need it.
Instantaneous Water Heater Brands
We install, service and repair all major continuous flow gas water heaters available throughout New Zealand. Whether your system is only a few years old or approaching the end of its service life, we can inspect it and recommend the best solution.
The most trusted name in continuous flow.
We've installed countless Rinnai Infinity units throughout Auckland across natural gas, LPG, domestic homes, apartments, lifestyle properties and commercial buildings.
- Infinity A16
- Infinity A20
- Infinity A24
- Infinity A26
- Infinity A32
- Infinity VT Series
- Heavy Duty Commercial
Purpose-built for New Zealand conditions.
Rheem also produces an excellent range of continuous flow gas water heaters. We'll help you choose the most suitable appliance based on your household size, gas supply and expected hot water demand.
- Fast hot water delivery
- Reliable ignition
- Excellent efficiency
- Compact installation
- Mains pressure performance
Continuous flow installs across Auckland
Natural Gas Installations
Ideal where reticulated natural gas is available. Set-and-forget hot water without ever thinking about bottle deliveries.
- No gas bottle deliveries
- Constant gas supply
- Lower running costs in many areas
- Excellent for high usage households
LPG Installations
For homes without natural gas, LPG provides an excellent alternative. Many of our Auckland installations use twin cylinders with automatic changeover for uninterrupted hot water.
- Twin 45kg bottle systems
- Automatic changeover regulators
- First and second stage regulators
- New copper gas pipework
- Bottle restraints
- Compliance certification
From Hot Water Cylinder to Continuous Flow
Many homeowners are replacing their ageing electric or gas storage cylinders with modern continuous flow systems. We'll assess your home's hot water demand and recommend the correctly sized appliance.
- No more bulky cylinder
- Free up valuable cupboard space
- Endless hot water
- Lower energy usage
- Modern appliance
- Better efficiency
- Mains pressure performance
- Reduced maintenance
Gas Water Heater Repairs
Not every continuous flow water heater needs replacing. We'll accurately diagnose the fault and explain your repair options rather than replacing the appliance unnecessarily.
Ignition & flame faults
- •Ignition failures
- •Flame failure
- •Fan failures
- •Error codes
No / intermittent hot water
- •No hot water
- •Intermittent hot water
- •Temperature fluctuations
- •Water flow sensor issues
Gas & pressure
- •Gas valve faults
- •Pressure issues
- •Gas supply problems
Electronics
- •PCB faults
- •Sensor failures
- •Wiring issues
Gas Leak Detection
If you smell gas near your water heater, don't ignore it. Our Certifying Gasfitters carry specialist equipment to locate and repair gas leaks. Every repair is pressure tested and certified before the appliance is returned to service.
Where we detect leaks
- Continuous flow water heaters
- Copper gas pipework
- LPG installations
- Regulators
- Isolation valves
- Appliance connections
- Commercial gas systems
Gas Safety Inspections
Gas appliances should be serviced regularly to ensure safe operation. Regular servicing improves reliability, efficiency and safety.
Commercial Continuous Flow Systems
Large commercial installations often utilise multiple Rinnai Heavy Duty appliances operating together to meet high hot water demand while maintaining redundancy.
- Apartment buildings
- Hotels
- Motels
- Schools
- Restaurants
- Commercial kitchens
- Sporting facilities
- Retirement villages
The preferred option for modern homes
Building a new home or renovating? A continuous flow water heater saves valuable floor space, eliminates the cylinder cupboard, integrates neatly with modern homes and provides excellent mains pressure. We'll work alongside your builder and plumber to ensure your gas installation is completed safely and efficiently.
Auckland's Instantaneous Water Heating Specialists
Unlike general plumbing companies, gas heating is one of our specialist areas. From simple residential installs to complex commercial systems, we provide professional advice, expert workmanship and safe, compliant gas installations across the wider Auckland region.
Talk to Auckland's continuous flow specialists.
New installs, replacements, LPG conversions, repairs and servicing, backed by Certifying Gasfitter expertise.
Need a Certifying Gasfitter today?
Free quotes across Auckland. Same-day callouts available.