Water Heater Singapore
Reason for the Callout
The Joven JH68 was leaking from the heating element and showed visible rust, and was reaching end-of-lifespan.
Landed
Joven Water Heater Rusty: JH68 Replacement at a Landed House at West Coast Road
A house owner at West Coast Road reported a “Joven water heater rusty” issue, with the tank and fittings visibly corroded. We replaced the Joven JH68 with a new Joven JSH68 and ensured full PUB compliance under licensed supervision.
Before: Joven JH68
After: Joven JSH68
Date Of Replacement: 25 Apr 2025
Project Location: West Coast Road
Before Replacement:
The homeowner noticed a leak near the heating element and rust on the fittings. The unit was aged and no longer safe. Corrosion had spread to the tank and cold water inlet, raising concerns about water quality and structural integrity.
After Replacement:
A new Joven JSH68 was professionally installed with stainless steel pipes, fittings, electrical safety upgrades, and a backflow control valve. All works were performed in compliance with PUB regulations, with supervision by a licensed plumber.
Inspection Findings 
- CCorrosion observed on tank surface and fittings – may lead to tank rupture or water contamination.
- Leakage around cold inlet – can worsen corrosion and reduce water pressure efficiency.
New Components Replacement
- Double Check Valve: Prevents backflow, ensuring clean water integrity in compliance with PUB.
- Drain Pipe: Enables safe discharge of excess water to avoid property damage.
- 2.5mm Cable: Grounds metal parts to reduce the risk of electric shocks.
- Earth Bonding: Connects all metallic parts for electrical safety.
- Gate Valve: Allows water flow control during service or emergencies.
Replacement work scope:
- Dismantled and removed the corroded Joven JH68
- Installed new Joven JSH68 with proper stainless steel fittings
- Replaced old pipework and added earth bonding and drain system
- Installed safety and backflow prevention valves
- Tested the system to ensure safety and compliance
- PUB compliance submission upon completion
Our PUB Licensed Plumber has endorsed that the work is done in accordance with the conditions stated below:
- All water service installations must be in accordance with the Public Utilities (Water Supply) Regulations, Singapore Standards 636 for Water Services, and all other relevant statutory requirements.
- The proposed works shall not adversely affect the existing water supply reticulation system.
- The proposed water storage heater is installed in accordance with the specifications and requirements of the manufacturer.
- The installation of double-check valves is safe and effective in preventing backflow and the back-siphonage of water from the storage water heater through the heater inlet pipe, and will be safe for use.
Conclusion:
This heater replacement was executed by Homeone-trained technicians and supervised by a PUB-licensed plumber. All installations adhered to PUB regulations and the Public Utilities Act 2001. Full documentation and PUB submission were completed.