Water Heater Singapore
Reason for the Callout
The old Rheem water heater had become rusty and showed signs of internal tank corrosion, indicating the end of its lifespan. The homeowner requested a full replacement with a more suitable unit for their household needs.
HDB
Rheem Water Heater Rusty: 65SVP10S Replacement at 450 Sin Ming Avenue HDB
A homeowner at 450 Sin Ming Avenue HDB faced the issue of Rheem Water Heater Rusty and contacted Homeone for a safe and compliant replacement with a new unit.
Before: Rheem 65SVP10S
After: Ariston AN2 30 RS
Date Of Replacement: 21 May 2025
Project Location: 450 Sin Ming Avenue
Before Replacement:
The existing Rheem 65SVP10S heater showed advanced signs of rust and internal tank degradation. The installation was also lacking a proper drain pipe connection to the nearest floor trap, posing a potential water hazard and non-compliance with PUB safety standards.
After Replacement:
We replaced the faulty unit with a new Ariston AN2 30 RS, along with compliant fittings, safety components, and proper drainage. The replacement resolved the rust issue and brought the installation up to PUB standards for safe and durable long-term use.
Inspection Findings 
- Internal tank corrosion in the existing heater
- Missing approved check valve
- No electrical bonding for safety
- Rusty fittings and joints
- No drain pipe connection to the nearest floor trap
New Components Replacement
- Ariston AN2 30 RS storage water heater
- Approved double-check valve
- New stainless steel pipes (hot, cold, and drain ≤1m)
- Drain pipe routed to the nearest floor trap
- Electrical bonding cable and new connector
- Stop valve and fittings
Replacement work scope:
- Assessment and removal of the old rusty heater
- Supply and installation of Ariston AN2 30 RS
- Installation of a double-check valve and a stop valve
- Installation of stainless steel pipes for hot, cold, and drain (≤1m)
- Proper routing of the drain to the floor trap
- Provision of electrical bonding
- System testing and commissioning
- PUB compliance submission upon completion
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:
The entire replacement process was executed by a trained Homeone technician and supervised by a Licensed PUB Plumber. All necessary fittings, safety features, and pipework were upgraded to meet PUB regulatory compliance, ensuring safety, durability, and peace of mind for the homeowner.