3 Sep 2025

22 Ghim Moh Link HDB

Ariston SL3 20 RS HDB Installation: Replacement of Ariston SL 20 At 22 Ghim Moh Link HDB on 2 Sep 2025

A homeowner at 22 Ghim Moh Link HDB engaged Homeone to replace a leaking Ariston SL 20 HDB  water heater. The old unit had corroded fittings and lacked key safety features such as an approved double-check valve and electrical bonding.

The replacement was supervised by a PUB Licensed Plumber, with a new Ariston SL3 20 RS HDB installed together with a double-check valve, stop valve, stainless steel fittings, and proper bonding to ensure long-term safety and compliance.

  • Project location

    22 Ghim Moh Link HDB

  • Property type

    HDB

Ariston SL3 20 RS HDB . 00

Before

Replacement of Ariston SL 20 to resolve heater problems end of service life.

After

The Ariston SL3 20 RS 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.

Project Overview

Homeowners at 22 Ghim Moh Link (HDB) engaged Homeone to replace their existing Ariston SL3 20 RS storage water heater after encountering persistent leakage issues. As the unit was installed within an HDB environment, ensuring safety and regulatory compliance was a top priority.

Our team carried out the safe removal of the leaking heater, followed by the installation of a new storage water heater configured to meet the household’s hot water requirements. All works were executed in accordance with PUB Water Supply Regulations, with careful attention given to proper installation standards and long-term reliability.

Why this replacement is needed?

The existing Ariston storage water heater had developed active leakage, which posed several risks if left unresolved.

Continued use of the leaking unit could have led to further deterioration and more serious safety issues. To prevent escalation, a full replacement was the most practical and responsible solution.

Before

Old storage heater before replacement at 22 Ghim Moh Link

Ariston SL3 20 RS HDB. 01
Ariston SL3 20 RS encountering a lot of persistent leakage issues.
After

New storage water heater installed with stainless steel piping

Ariston SL3 20 RS HDB. 02
Ariston SL3 30 RS

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⚠️ We are an independent PUB-licensed service provider offering installation, replacement, and technical support for Ariston storage water heaters.

We are not the official Ariston manufacturer or brand owner, but we carry out all works in accordance with PUB Water Supply Regulations.

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Our Ariston Water Heater Support Hotline Singapore provides fast access to experienced specialists who can assist with heating issues, leaks, rusty water, and replacement enquiries.

Call our Ariston Water Heater Support Hotline for immediate assistance: +65 6742 6770

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The outcome of our work

Site Findings

  • During the site assessment, the following issues were identified:

    • The existing Ariston SL3 20 RS HDB was leaking from the tank body, indicating internal corrosion and end-of-life failure.

    • Inlet and outlet fittings were corroded, with visible signs of water seepage.

    • Safety components were missing:

      • No approved double-check valve to prevent potential backflow contamination.

      • No electrical bonding of the water heater chassis and nearby pipework, posing a risk of electric shock in the event of a fault.

Replacement Work Scope ⚙️

Removal of Non-Compliant Installation

  • Isolated power and water supply
  • Removed the Ariston SL 20 and associated corroded fittings

Installation of New Ariston SL3 20 HDB

  • Secure wall mounting of the new unit
  • Connection of stainless steel inlet/outlet pipework within 1 metre
  • Installed double check valve, stop valve, and drain pipe
  • Upgraded wiring and installed electrical bonding
  • System tested for leaks, grounding, and pressure stability

Testing & Commissioning

  • Conducted leak and pressure tests
  • Verified temperature control and heater functionality
  • Final safety inspection & clearance
PUB Certificate 22 Ghim Moh Link Ariston Water Heater

Submission for PUB

Our job was completed together with the required PUB submission. This ensures all plumbing works meet PUB’s standards and comply with Public Utilities (Water Supply) Regulations — a key part of doing the job safely and correctly.

Conclusion:

This replacement project at 22 Ghim Moh Link HDB ensured the safe removal of a leaking Ariston SL3 20 RS HDB and installation of a new unit with all required PUB safety components.

By incorporating a double-check valve, stop valve, stainless steel fittings, and electrical bonding, the new installation meets PUB regulations and provides the homeowner with a safe, durable, and fully compliant water heating system.

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