Hot water gone cold? Leaking? Pilot won't stay lit? We diagnose and fix on the spot -- most jobs same day. Rheem, Rinnai, Dux, Vulcan, Bosch -- all brands. $0 call-out, licensed (Lic. 106765c), 24/7.
📞 Call 0449 007 009Could be element, thermostat, pilot, gas valve, or supply issue. We diagnose in 15 minutes.
Tank, fittings, relief valve, or pressure. We seal it or replace what's failed.
Thermocouple, gas valve, or regulator. Common Rinnai/Rheem fault, Upfront Quote-400 typical fix.
Element, thermostat, or sacrificial anode. Often a Upfront Quote-500 fix, not a full replacement.
Sediment buildup or pressure issue. We flush, descale, and adjust.
Anode rod failure or tank corrosion. We assess if it's repairable or replacement time.
Most hot water systems are repairable up to 8–10 years old if the tank is intact. After that, repair often costs more than a new unit. We'll always tell you the truth — if your system is past saving, we say so. If it's a Upfront Quote fix, we do it. No upselling.
Most faults found and fixed same visit.
Most common repair. Same-day parts on van.
Common Rinnai and Rheem fault. Fixed on-site.
Tempering valve fault causing scalding or cold water.
Same-day hot water work across Southwest Sydney.


Campsie — Failed 80L Rheem electric (yellow water, 3+ years) replaced with Thermann continuous flow gas. Same-day install, Upfront Quote supplied & fitted.
More jobs coming — we photograph and document every install.
Whatever brand is on your tank or unit, we've fixed it. Genuine parts for Rheem, Rinnai, Dux, and Vulcan held on the van.
“Oz plumbing is a great company to deal with. Great customer service, great pricing, honest and reliable. They also clean up after they complete their work. Highly recommended.”
“Oz is a legend. Very responsive and came onsite the next day and installed my new gas line. He did a very good job and cleaned up the mess afterwards. Easy to deal with and reasonably priced. Will definitely use him again.”
“I recently had a fantastic experience with Oz Plumbing Co. They were professional, responsive, and easy to communicate with. The job was completed efficiently and to a high standard. I highly recommend Oz Plumbing Co for reliable, honest, high-quality plumbing services.”
Licensed, insured, $0 call-out. Same-day service across Southwest Sydney.
📞 Call 0449 007 009