1 Apr 2025

Ariston Water Heater No Hot Water & Leaking Replacement: AN 15 R to AN2 15 RS at 897C Woodlands Drive 50 HDB on 30 Oct 2024

Project location
897C Woodlands Drive 50 HDB
Property type
HDB

Before

Replacement of Ariston Water Heater AN 15 R to resolve heater problems end of service life.

After

The Ariston Water Heater AN2 15 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.

Table of Contents

Ariston Water Heater No Hot Water & Leaking Replacement

Customer Report:

A homeowner reported their Ariston water heater no hot water issue, accompanied by water leakage. Upon inspection, it was determined that the leakage originated from the inner tank, indicating the unit had reached the end of its lifespan and was beyond repair.

Old Storage Water Heater:

Model: Ariston AN 15 R

Issues:

No hot water supply
Inner tank leakage
Unit at end of lifespan

New Storage Water Heater:

Model: Ariston AN2 15 RS

Capacity: Same as the previous unit (15 litres)

Replacement Work Scope:

Supply & Installation: New Ariston AN2 15 RS tank, pipes, and fittings
Pipework Adjustment: Partial redo to comply with PUB regulations
Testing & Commissioning: System checks and PUB submission
Cleanup: Worksite left clean and safe
Compliance: PUB approval letter provided

Regulatory Compliance:

The electric water heater as a whole unit (i.e. parts incorporated in the water heater itself, such as heating element, pressure relief valve/temperature relief valve, water tank, etc. shall be tested in accordance with the following:

AS/NZS 4020:2018 Appendix K – Sample extraction procedure for use with water heating system. An accredited or non-accredited test report for Appendix K is acceptable provided that the test laboratory is accredited by Singapore Accreditation Council (SAC) to AS/NZS 4020:2018 Appendix H on Extraction of Metals, at the point of testing;
The samples extracted in accordance with Appendix K shall then be tested in accordance with AS/NZS 4020:2018 Appendix H – Extraction of metals (for metallic materials in contact with water). The maximum allowable concentrations of metals listed in Table 2 of AS/NZS 4020:2018 shall not exceed the limits specified by the World Health Organization (WHO) Guidelines for Drinking Water Quality.

Conclusion:

The Ariston water heater no hot water issue was successfully resolved with a complete replacement. All work was completed in compliance with PUB regulations, and the homeowner was provided with a PUB Approval Letter. This replacement not only restored reliable hot water access but also eliminated risks associated with leaks and improper installations.

The entire process was carried out by our PUB-licensed plumbers, ensuring a safe, efficient, and regulatory-compliant installation.