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A condominium homeowner at Fontaine Parry reached out to Homeone after discovering their Joven JH38 storage water heater had become visibly rusty and was beginning to affect water quality. The tank exhibited clear signs of oxidation, with surface rust forming around the joints and base—indicating the end of its functional lifespan.
Upon site inspection, our team confirmed that although the unit was still operational, the corrosion posed a long-term reliability and hygiene concern. Critically, the original installation lacked a double check valve—a PUB-required component to prevent backflow and potential contamination of the drinking water supply, in violation of Singapore Standard SS636.
Homeone recommended a like-for-like replacement with the updated Joven JSH38 model and performed a fully compliant installation, complete with an approved check valve and stainless-steel fittings to improve durability and safety.
Old Water Heater:
Joven JH38
Old Water Heater:
Joven JSH38
A homeowner at Fontaine Parry reported rust formation and water discolouration from their Joven JH38 water heater. On inspection, Homeone’s technician observed visible external corrosion on the tank’s metal casing and fittings—typical signs of long-term wear and reduced performance.
In addition to the ageing unit, the system lacked an approved double check valve, which is essential for preventing backflow contamination into the potable water supply. This omission was a clear violation of SS636, the Singapore Standard for water service installations.
To address the issue safely and effectively, Homeone recommended replacing the rusted Joven JH38 with a new Joven JSH38 water heater—featuring updated insulation and enhanced tank durability.
We also rectified the non-compliance by:
Installing an approved double-check valve
Upgrading all pipework to stainless steel
Conducting a complete system inspection under licensed supervision
All works were executed by our trained technicians under the direction of a PUB-licensed plumber, with full compliance documentation submitted upon completion.
Shut off the water and power supply
Safely drained and removed the corroded JH38 unit
Cleared and cleaned the mounting area
Delivered and mounted the new heater securely
Fitted stainless steel inlet and outlet piping
Installed an approved double-check valve to meet SS636
Performed leak checks and flow tests
Verified heating and pressure controls
Cleared site of old fittings and packaging
Submitted compliance documentation under PUB-licensed supervision
This water heater replacement at Fontaine Parry addressed the critical issue of a rusty tank and resolved a serious compliance breach. The new Joven JSH38 was installed with a double check valve to prevent water contamination, and all connections were upgraded to corrosion-resistant stainless steel.
With every project, Homeone ensures that installations are completed to the highest safety standards—under licensed supervision and in full accordance with PUB and SS636 regulations—ensuring long-term performance and peace of mind.
Project Location: Fontaine Parry
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