14 Jun 2025

780 Pasir Ris Street 71 HDB

Water Heater Rusty Replacement: Ariston PRO 30 to Ariston XC-30 at 780 Pasir Ris Street 71 HDB on 11 Jun 2025

A homeowner at 780 Pasir Ris Street 71 HDB contacted Homeone after discovering their Ariston PRO 30 storage water heater had become rusty and unusable. The unit showed visible corrosion, indicating severe internal tank deterioration due to age.

Our team promptly conducted a site inspection to evaluate the condition and propose a compliant solution.

  • Project location

    780 Pasir Ris Street 71 HDB

  • Property type

    HDB

Water Heater Rusty. Ariston Replacement HDB. 00

Before

Replacement of a Ariston PRO 30 water heater at HDB to resolve heater problems end of service life.

After

The Ariston XC-30 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 Replacement: Ariston PRO 30 to Ariston XC-30 at 780 Pasir Ris Street 7

Old Water Heater:

Ariston PRO 30

 

Old Water Heater:

Ariston XC-30

 

Site Findings

During our site assessment at 780 Pasir Ris Street 71 HDB, our technician found that the existing Ariston PRO 30 storage water heater had extensive rust damage—a clear sign of inner tank corrosion. The unit was beyond its serviceable life and was no longer operational, prompting the homeowner to contact Homeone for a safe and compliant replacement.

In addition to the heater’s failure, several critical safety and regulatory components were missing:

  • No backflow preventer check valve to protect the drinking water supply.

  • No drain pipe was connected to the pressure relief valve, risking uncontrolled water discharge.

  • Missing equipotential bonding, a critical safety provision against electrocution.

These deficiencies rendered the installation non-compliant with PUB regulations and posed both safety and functional risks.

Proposed Solution

Homeone recommended a full water heater replacement with the Ariston XC-30, a modern, energy-efficient model designed for HDB use. This unit not only improves performance and reliability but also supports proper integration with compliant plumbing and electrical safety systems.

To bring the setup up to PUB standards, we included the following upgrades:

  • Installation of a new drain pipe from the pressure relief valve

  • Implementation of electrical bonding to eliminate potential electrical hazards

  • A new 2.5mm square cable, as the current heater supply cable is a non-compliant 1.5mm square cable.
  • A new 20A connector box was installed as the existing one was old and led to corrosion.

All work was carried out by our trained technicians under the supervision of a PUB-licensed plumber, ensuring adherence to all regulatory standards.

Work Scope for Ariston Water Heater Installation

  1. Assessment & Dismantling

    • Shut off the water and power supply

    • Removed the existing Ariston PRO 30 unit

    • Checked and prepared the mounting area

  2. Installation of New Ariston XC-30

    • Delivered and mounted the new heater securely

    • Connection of a backflow preventer check valve
    • Connected inlet/outlet using stainless steel pipes

    • Installed a new drain pipe for proper discharge

    • Implemented electrical bonding as required

  3. Testing and Commissioning

    • Checked for leaks, pressure integrity, and temperature control

    • Conducted safety and performance tests

  4. Final Tidy-Up and Documentation

    • Cleared old materials and cleaned the work area

  5.   Documentation
  • Submitted PUB compliance documentation under the supervision of a PUB-licensed plumber

 

Conclusion

This Ariston water heater installation at 780 Pasir Ris Street 71 HDB successfully addressed the homeowner’s concern about a water heater rusty and no longer fit for use. By replacing the corroded Ariston PRO 30 with the upgraded Ariston XC-30 and incorporating essential safety upgrades, such as a proper drain pipe, backflow preventer, and electrical bonding, the installation is now fully PUB-compliant and safe for daily use.

At Homeone, we prioritise safety, compliance, and long-term reliability—especially when resolving issues related to water heater rust and corrosion—with every installation supervised by a PUB-licensed plumber.

 

Property Name: 780 Pasir Ris Street 71

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