29 Mar 2025

742 Pasir Ris Street 71 HDB

Ariston TI Plus 30 R Water Heater Replacement: Solving Severe Leakage & Safety Hazards at 89 Tanglin Halt Road HDB on 11 Jul 2024

An HDB homeowner faced issues with their Ariston water heater leaking, often losing hot water. Over time, the problem worsened, with water pooling near the unit. Upon inspection, we found the inner tank leaking badly, making repairs impossible. The setup was also non-compliant, lacking a double check valve, gated valve, drain pipe, and electrical bonding.

To ensure a lasting fix, we replaced the faulty unit with a new Ariston water heater of the same capacity. Our installation followed PUB regulations, supervised by PUB-licensed plumbers for full compliance. We also corrected safety issues by adding the required components and replacing the deteriorated junction box. The homeowner now enjoys a safe, efficient, and leak-free hot water system.

  • Project location

    742 Pasir Ris Street 71 HDB

  • Property type

    HDB

Ariston Water Heater Leaking Replacement.HDB. 00

Before

Replacement of Ariston Water Heater AN 30 R to resolve heater problems end of service life.

After

The Ariston Water Heater AN2 30 RS is newly installed with stainless steel pipework. A new approved stop valve (gate valve) and double-check valves were used, ensuring compliance with PUB Regulations. Our Licensed Plumber supervised and approved the installation. Enjoy a 1-year Homeone warranty, in addition to the manufacturer's warranty.

Ariston Water Heater Leaking Replacement: Solving Severe Leakage & Safety Hazards

Existing Heater:

Ariston TI Plus 30 R (30L)

New Heater:

Ariston AN2 30 RS (30L)

Site Assessment Findings:

  1. The Ariston water heater was leaking badly due to severe corrosion, particularly in the tank holder, which eventually collapsed.
  2. The unit had exceeded its lifespan, making repairs impractical.
  3. The existing installation lacked critical safety components:
    • Wall-mounted pipe supports (pipe holders)
    • Double check valve
    • Stop valve or gate valve
    • Drainpipe
    • Electrical bonding

Fortunately, the heater was enclosed in a cabinet, preventing injury when it fell.

Proposed Solution:

To ensure safety and compliance, we recommend replacing the old Ariston TI Plus 30 R with the Ariston AN2 30 RS (30L), maintaining the same capacity while upgrading to a fully compliant system.

Ariston Water Heater Leaking Replacement Work Scope:

  1. Supply & Installation of the new Ariston AN2 30 RS water heater.
  2. Removal & Disposal of the old Ariston TI Plus 30 R unit.
  3. Full Compliance Installation, including:
    • Installation of wall-mounted pipe supports for secure piping.
    • Addition of a double check valve to prevent backflow.
    • Installation of a stop valve/gate valve for better water control.
    • Proper drainpipe setup for safe discharge.
    • Electrical bonding to meet safety standards.
  4. Testing & Commissioning of the new system to ensure proper functionality.
  5. Cleanup of the work area upon completion.
  6. PUB Submission & Compliance – Full documentation provided for regulatory approval.

Regulatory Compliance:

The installation strictly follows PUB regulations and Safety Mark requirements. The new water heater complies with:

  • AS/NZS 4020:2018 Appendix K – Sample extraction procedure for water heating systems.
  • AS/NZS 4020:2018 Appendix H – Testing for metal extraction (ensuring no harmful contaminants exceed WHO limits).
  • All components (heating element, pressure relief valve, tank, etc.) meet Singapore’s safety and water quality standards.

Conclusion:

The Ariston TI Plus 30 R failure was due to aging and corrosion, posing a significant safety risk. By replacing it with the Ariston AN2 30 RS, we provide a fully compliant, leak-proof, and secure system that meets PUB regulations. This upgrade ensures long-term reliability, safety, and efficiency for the homeowner.

Property Name: 89 Tanglin Halt Road HDB

 

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