18 Jun 2025

A Landed House at The Shaughnessy

Water Heater Rusty: Joven JH35 Replaced with JSH38 at A Landed House at The Shaughnessy on 27 Dec 2024

A homeowner at The Shaughnessy, a terraced landed house, reached out to Homeone after spotting rusty water stains and signs of leakage near their ceiling-mounted heater. Upon inspection, our technician identified a clear case of “Water Heater Rusty” — the installed Joven JH35 unit showed corrosion around the tank and heavy rusting on the pipe fittings.

This Water Heater Rusty condition was causing active leaks and had already compromised surrounding fittings and the ceiling structure. The heater had reached the end of its operational life, and the customer opted for a safe and reliable upgrade with the Joven JSH38, offering higher capacity and better corrosion resistance.

  • Project location

    A Landed House at The Shaughnessy

  • Property type

    Landed

Water Heater Rusty Joven. Landed. 00

Before

Replacement of a Joven JH35 water heater at to resolve heater problems end of service life.

After

The Joven JSH38 has been newly installed to the existing water heater system, with all connecting pipework made of stainless steel. The installation includes a new stop valve, double check valve, drain pipe, electric bonding, and 2.5mm² wire, and a submission has been filed to PUB to ensure safety and compliance with PUB regulations. Additionally, Homeone offers a 1-year warranty on this installation, complementing the manufacturer's warranty, ensuring peace of mind and reliable service.

Water Heater Rusty: Joven JH35 Replaced with JSH38 at A Landed House at The Shaughnessy

Old Water Heater:

Joven JH35

 

Old Water Heater:

Joven JSH38

 

Site Findings

The existing system presented a textbook case of Water Heater Rusty — with visible rust streaks on the tank body, oxidised pipe joints, and small but persistent leaks. The rust had already affected the surrounding plumbing network and presented a real risk of system failure.

Beyond the visible damage, the internal tank was showing signs of wear and imminent rupture. Leaving this Water Heater Rusty condition unresolved would have led to further water damage and greater repair costs.

Proposed Solution

To resolve the Water Heater Rusty issue safely, Homeone recommended replacing the aged Joven JH35 with the newer Joven JSH38 model. Known for its robust enamel coating and extended service life, the JSH38 is better suited for landed properties requiring moderate storage capacity.

We upgraded the entire system, including:

  • Removal of the Water Heater Rusty unit, and corroded fittings

  • Installation of stainless steel piping (within 1 metre)

  • New double check valve for backflow prevention (PUB requirement)

  • Electrical bonding to meet CP5 safety standards

  • Functional and leak testing

All work was completed under the supervision of a PUB-licensed plumber and EMA-certified electrician, ensuring full compliance with local regulations.

Work Scope  

Assessment & Dismantling

  • Isolated electrical and water supply

  • Removed  Joven Water Heater Rusty unit (JH35)

  • Disconnected and replaced the damaged electrical connector box

Installation of New Joven JSH38

  • Mounted the new heater securely

  • Installed stainless steel pipework and fittings (within 1 metre)

  • Fitted a PUB-compliant double check valve

  • Rewired to the new heater connector box with proper bonding

  • Reinstatement of the ceiling to restore it to its original state

Testing and Commissioning

  • Leak and pressure tests

  • Function and safety checks

  • Recommissioned the system and cleared the work area

Documentation

  • Submitted compliance documentation under PUB-licensed supervision

 

Conclusion

The Water Heater Rusty condition at this landed property in The Shaughnessy was professionally resolved with the installation of a new Joven JSH38 system. All corroded parts were replaced, and the new setup includes PUB-compliant safety features to ensure long-term peace of mind.

At Homeone, we specialise in water heater replacements for landed homes—executed with licensed supervision, premium materials, and total regulatory compliance.

Project Location: The Shaughnessy

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