Water Heater Singapore
Reason for the Callout
The owner reported visible rust and performance issues with their Ariston water heater, which had reached the end of its lifespan. They contacted Homeone for a replacement and a safe, regulation-compliant installation.
HDB
Water Heater Rusty: Ariston Andris Lux 15 Replacement at 306C Punggol Place HDB
A homeowner at 306C Punggol Place HDB experienced a Water Heater Rusty issue with their old Ariston heater. Homeone replaced it with a full PUB-compliant installation.
Before: Ariston Andris Lux 15
After: Ariston SL2 20 RS
Date Of Replacement: 29 Apr 2025
Project Location: Punggol Place
Before Replacement:
The existing Ariston Andris Lux 15 showed signs of internal corrosion and external rust, raising safety concerns. The original setup lacked essential PUB-required items like an approved check valve and drain pipe, making replacement urgent and necessary.
After Replacement:
The corroded heater was replaced with a new Ariston SL2 20 RS. A compliant drain pipe, PUB-approved double check valve, and proper electrical bonding were installed. The system is now fully secure, leak-resistant, and compliant with all current PUB safety standards.
Inspection Findings 
- Internal tank corrosion and external rust are visible
- No approved check valve installed
- Missing drain pipe for overflow control
- Absence of protective equipotential bonding
New Components Replacement
- Ariston SL2 20 RS water heater
- Stainless steel hot, cold, and drain pipes (≤1 metre)
- PUB-approved double-check valve
- Stop valve
- Electrical protective bonding
- New fittings and accessories
Replacement work scope:
- Assessment and removal of the old rusty heater
- Supply and installation of Ariston SL2 20 RS
- Installation of a double-check valve and a stop valve
- Installation of stainless steel drain pipe
- Electrical bonding for safety
- Final testing and PUB compliance submission
Our PUB Licensed Plumber has endorsed that the work is done in accordance with the conditions stated below:
- All water service installations must be in accordance with the Public Utilities (Water Supply) Regulations, Singapore Standards 636 for Water Services, and all other relevant statutory requirements.
- The proposed works shall not adversely affect the existing water supply reticulation system.
- The proposed water storage heater is installed in accordance with the specifications and requirements of the manufacturer.
- The installation of double-check valves is safe and effective in preventing backflow and the back-siphonage of water from the storage water heater through the heater inlet pipe, and will be safe for use.
Conclusion:
All replacement works were carried out by Homeone’s experienced technician and supervised by a Licensed PUB Plumber. The installation adheres strictly to PUB regulations on plumbing and electrical safety, ensuring peace of mind and long-term reliability.