Stop wasting your money with a tankless hot water system!
Storing and heating large volumes of water in a tank is a wasteful process, losing energy 24 hours a day, even when you aren't home.
The problem of standby heat loss vanishes when you upgrade to a gas instant hot water system.
We specialise in gas instantaneous hot water installations, repairs, and, servicing, right across Melbourne.
We handle the switch to highly energy efficient continuous flow water heaters. Our hot water team includes qualified gas fitters.
We give you the best supply and install expertise. This guarantees your property gets the highest flow rate, accurate temperature control, and zero wasted heat!
☎️ Call GRH Plumbing today on: 1300 643 850 ☎️
Whilst modern instant hot water heaters are built to last, but they will eventually need replacing.
This replacement requires qualified plumbing and gas fitters to make sure the work meets all the safety rules.
Our licensed plumbers manage the entire upgrade, making sure the new tankless system is fitted perfectly to give you reliable hot water for decades.
If your instant hot water unit starts having pressure or temperature issues, you need a specialist for accurate fault-finding.
Unlike storage tank failures, these issues are usually electronic or sensor based. Our expert plumbers are the masters at fixing them fast!
We quickly diagnose and repair tricky faults, such as ignition failure or sensor issues. This make sure your unit delivers accurate, on demand hot water fast.

Your tankless system must be regularly serviced to maintain its precision; limescale build up and electronic drift are the two biggest threats to its longevity and efficiency.
Because instant hot water systems are so precise, they require specialised servicing to maintain high energy efficiency.
We recommend flushing out the heater coils every year is a must for your unit. This special clean stops hard water scale from clogging your system, which makes sure it runs fast and lasts for years.
Our plumbers check the system's vital sensors and gas valves. This prevents temperature spikes and guarantees you instant, accurately heated water.
installing a continuous flow system calls for specialised expertise in both plumbing and gas fitting.
Our expert gas plumbers oversee the entire job, beginning with the compliant removal and disposal of your old storage tank.
We 💯 guarantee a precise installation. This makes sure the new system is safe, compliant, and quickly clears up your valuable outdoor space.
✔️ Rheem Instant Hot Water Systems
✔️ Rinnai Instant Hot Water Systems
✔️ Thermann Instant Hot Water
✔️ Chromagen Instant Hot Water
✔️ Vulcan Instant Hot Water Systems
✔️ Dux Instant Hot Water Systems
✔️ Bosch Instant Hot Water Systems
✔️ Zip Instant Hot Water Systems
✔️ Enviro Instant Hot Water Systems
✔️ Aquamax Instant Hot Water Systems
✔️ Steibel Eltron Instant Hot Water Systems
✔️ And Many More…!.

Ready to drastically cut your running costs? Switching from an inefficient gas storage system is the best way to reduce energy consumption. We supply and install high efficiency natural gas systems with a superior equivalent energy rating.
This guarantees reliable hot water across all your hot water outlets, giving you instant heat you need!
Call our friendly GRH Plumbing team on 1300 643 850 or complete our enquiry form today!