This case study covers a commercial hot water repair for a shop in Upper Mount Gravatt.
Location: Upper Mount Gravatt, Brisbane Southside
Service: Commercial hot water repair
Date: May 2026
Turnaround: Booked around trading hours, completed the next day
The problem
A shop in Upper Mount Gravatt had no hot water, even though its electric hot water system was only about two years old.
Working around the shop
We booked the visit for late afternoon so the shop could keep trading, with staff happy to stay back if needed.
What we found and did
- Tested the system and found a failed element and thermostat
- Replaced the 3.6kW element
- Replaced the thermostat
- Fitted a complete valve set to protect the system
Repair, not replace
A two-year-old system rarely needs replacing. Diagnosing the actual fault saved the business the cost of a new unit.
The result
Hot water was restored and the system was protected with new valves.
Why a commercial hot water repair can beat replacement
Not every failed system needs replacing. For example, a faulty element or thermostat can often be fixed quickly, so the business is back up and running sooner. However, if the tank itself is leaking, replacement is the safer choice.
See our commercial hot water page for more. You can also compare efficient models on the Energy Rating website.
Need a plumber? We’re available 24/7. Call The Plumbing Gang on 1300 671 525.