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A homeowner at Blk 157D Rivervale Crescent HDB contacted Homeone after experiencing issues with their Ariston Plus 30 R storage water heater. The unit had become severely rusty and was leaking, with signs of internal tank corrosion. Our inspection revealed that the drain pipe was choked. The old installation also lacked a check valve and did not meet manufacturer or PUB guidelines. We carried out a full, PUB-compliant replacement with a new Ariston AN2 30 RS, rectified the drain issues, and ensured all work adhered to warranty standards and regulatory requirements.
Old Water Heater:
Ariston Plus 30 R
Old Water Heater:
Ariston AN2 30 RS
A homeowner at Blk 157D Rivervale Crescent HDB contacted Homeone after encountering an Ariston Water Heater Rusty issue. Their existing Ariston Plus 30 R storage water heater exhibited significant internal corrosion, resulting in visible rust stains and degraded water quality.
Upon inspection, our technician identified additional installation faults:
The original unit was installed without a check valve
The drain outlet of the heater was blocked
These conditions not only compromised functionality but also posed long-term risks for backflow contamination and water stagnation.
Homeone proposed replacing the faulty Ariston Plus 30 R with a new Ariston AN2 30 RS model. This newer unit features a more durable design, improved thermal efficiency, and is compatible with HDB concealed installations when installed correctly.
The scope of the proposed work included:
Safe dismantling of the old unit
Reinstall the new exposed drain piping
Installation of a proper check valve as required by PUB regulations
Replacement of all stainless steel inlet/outlet piping
Anchor mounting and correct heater alignment
Full compliance with the manufacturer’s instructions to protect the warranty
System testing and PUB regulatory submission
All work was performed by trained Homeone technicians and supervised by a PUB-licensed plumber.
Isolated electrical and water supplies
Assessed heater elevation relative to the drain
Evaluated structural conditions and wall bracket stability
Dismantled and removed the corroded Ariston Plus 30 R unit
Supplied and installed a new Ariston AN2 30 RS heater
Re-create the drain pipe to meet minimum gradient requirements
Installed a PUB-compliant check valve and stainless steel flexible hoses
Adjusted mounting to match the manufacturer’s drain level specs
Verified proper pipe fall and pressure release discharge line routing
Conducted leak test and system pressurisation
Confirmed correct water temperature output
Walked the homeowner through operational instructions
Removed debris and cleaned up the work area
Disposed of old heater in accordance with environmental regulations
Submitted PUB compliance forms under the supervision of a PUB-licensed plumber
Photographic documentation of pipe configuration and installation quality
This Ariston Water Heater Rusty case at Blk 157D Rivervale Crescent HDB was successfully resolved by upgrading to a new Ariston AN2 30 RS model with a fully compliant installation. The new heater was fitted with appropriate elevation, proper drainage, and essential safety components, including a check valve.
At Homeone, we don’t just replace water heaters—we identify root causes, resolve installation non-compliance, and restore system safety and reliability. Our work not only meets PUB plumbing regulations but also upholds manufacturer warranty requirements, giving homeowners peace of mind for years to come.
Project Location: Blk 157D Rivervale Crescent HDB
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