Gas Systems
Gas Hot Water Systems Sydney: Continuous Flow & Storage
Gas hot water installation, repair, and maintenance for continuous and storage systems.
- ✓ Instant gas systems
- ✓ Storage gas systems
- ✓ Energy efficient
- ✓ Professional installation
Starting from $1,200
About our gas hot water systems service
Infinity Hot Water provides fast, reliable gas hot water systems across Sydney, the Central Coast and Newcastle. Whether you are dealing with a sudden breakdown, planning an upgrade, or comparing systems for a new build, our licensed plumbers and gasfitters handle every job from initial site visit through to final commissioning and council compliance paperwork.
We service every major brand — Rheem, Rinnai, Dux, Bosch, AquaMAX, Vulcan, Sanden, Reclaim Energy, Stiebel Eltron, Thermann, Chromagen and iStore — and carry common spare parts on every van so most jobs are completed in a single visit. Gas hot water installation, repair, and maintenance for continuous and storage systems.
All work is quoted up front in writing, completed to AS/NZS 3500 standards, and backed by a 12-month workmanship warranty plus full manufacturer warranty on any new equipment installed. Call 0420 102 207 for a same-day appointment or request a quote online.
Gas hot water Sydney: continuous flow and storage installs and repairs
Gas hot water systems Sydney wide remain the most common choice for families with mains gas. We supply, install and repair Rinnai Infinity, Rheem, Bosch, Vulcan and Thermann units, and our gas fitters check meter and line capacity so your new hot water heater delivers full flow at peak demand.
If your gas hot water Sydney unit is dropping temperature, showing an error code or failing to ignite, our hot water plumber Sydney team carries ignition packs, gas valves, solenoids and water valves for same day hot water repairs on all major brands.
Continuous flow or gas storage: which suits your home
Continuous flow suits households that shower at spread out times, small homes where space is tight, and anyone who has run out of hot water on a Sunday night. It never runs out and loses nothing to standby heat, but it needs adequate gas supply and it will not perform at rated flow on an undersized line.
Gas storage still wins in a few situations: homes with low gas pressure, properties where multiple outlets are opened at once at low flow, and replacements where the existing flue and location make a swap far cheaper. We price both honestly rather than pushing whichever unit is on the van.
Common gas faults we repair across Sydney
Ignition lockouts, error codes in the 10 and 11 range, temperature that swings mid shower, a burner that will not stay lit, and water that only gets warm at high flow are the faults we see most. On older storage units it is usually the thermocouple or gas control valve; on continuous flow it is more often the flame rod, ignition pack, water valve or a scaled heat exchanger.
Sydney mains water is relatively soft, so scale is less aggressive here than inland, but ten years of use in a hard pocket or a bore fed property still narrows a heat exchanger. We descale where the unit is worth saving and tell you plainly when it is not.
What's included
Every job comes with these as standard.
Why choose Infinity Hot Water
What sets our service apart.
Same-day service
Urgent jobs answered within 90 minutes across the Sydney metro, Central Coast and Newcastle / Lake Macquarie.
Fixed up-front pricing
Written quotes before work starts. No hidden call-out fees, no surprises on the invoice.
Licensed specialists
NSW-licensed plumbers and gasfitters with manufacturer accreditation for Rheem, Rinnai, Dux, Bosch and more.
12-month workmanship warranty
Every job is backed in writing, on top of the full manufacturer warranty on any new equipment.
Genuine spare parts
Vans stocked with valves, elements, thermostats, anodes and PTR valves so most repairs are done in one visit.
Rebate paperwork handled
For heat pump and solar installs we lodge the small-scale technology certificates (STCs) so you receive the rebate at point of sale.
How our gas hot water systems service works
1. Site assessment
We measure your household demand (people, bathrooms, peak usage), check existing connections, and recommend the right size and type of system.
2. Fixed written quote
You get an itemised quote — unit, install, removal of the old system, valves, electrical or gas work, and any compliance certificates — with no hidden extras.
3. Professional installation
Licensed plumbers and gasfitters install to AS/NZS 3500, comply with the relevant gas / electrical / energy ratings, and remove the old unit from site.
4. Commissioning & paperwork
We commission the system, set safe tempering valves to 50°C, lodge compliance certificates and register the manufacturer warranty in your name.
Gas Hot Water Systems pricing
Indicative pricing across Sydney, Central Coast & Newcastle. Every job is quoted in writing before any work begins — no hidden call-out fees.
| Item | From |
|---|---|
| Gas Hot Water Systems — call-out & diagnosis | $0 |
| Typical gas hot water systems job | $1,200 |
| After-hours / weekend surcharge | From $90 |
| Full system replacement (if recommended) | From $1,500 |
Brands we service
Accredited service and installation for every major Australian hot water brand.
Gas Hot Water Systems — frequently asked questions
Gas Hot Water Systems — suburbs we cover
- Gas Hot Water Systems in Allambie Heights
- Gas Hot Water Systems in Artarmon
- Gas Hot Water Systems in Asquith
- Gas Hot Water Systems in Balgowlah Heights
- Gas Hot Water Systems in Beecroft
- Gas Hot Water Systems in Belrose
- Gas Hot Water Systems in Cammeray
- Gas Hot Water Systems in Carlingford
- Gas Hot Water Systems in Castle Cove
- Gas Hot Water Systems in Castlecrag
- Gas Hot Water Systems in Chatswood
- Gas Hot Water Systems in Cheltenham
- Gas Hot Water Systems in Cherrybrook
- Gas Hot Water Systems in Cremorne
- Gas Hot Water Systems in Davidson
- Gas Hot Water Systems in Duffys Forest
- Gas Hot Water Systems in East Killara
- Gas Hot Water Systems in East Ryde
- Gas Hot Water Systems in Eastwood
- Gas Hot Water Systems in Epping
- Gas Hot Water Systems in Ermington
- Gas Hot Water Systems in Forestville
- Gas Hot Water Systems in Frenchs Forest
- Gas Hot Water Systems in Gladesville
- Gas Hot Water Systems in Gordon
- Gas Hot Water Systems in Greenwich
- Gas Hot Water Systems in Hornsby
- Gas Hot Water Systems in Hunters Hill
- Gas Hot Water Systems in Killara
- Gas Hot Water Systems in Killarney Heights
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Need gas hot water systems today?
Call Infinity Hot Water on 0420 102 207 for same-day service across Sydney, the Central Coast and Newcastle — or request a written quote online.