A homeowner at Grandeur 8 Residences contacted homeone after their Rinnai REU-16RFA-RS Gas Heater stopped functioning properly. The control panel displayed no readings, and attempts to restart the system were unsuccessful. Upon inspection, the internal motherboard was found to have partially melted, rendering the heater completely inoperable.
Old gas heater:
Rinnai REU-16RFA-RS
New gas heater:
Rinnai REU-2008W-RS
During the on-site inspection, our licensed gas service team identified several critical issues:
No Display Function – The control panel screen was blank, confirming an electrical failure within the control system.
Motherboard Melted – Internal inspection revealed burnt and melted sections on the heater’s motherboard, posing a fire and safety hazard.
Aged Heater – Based on the serial number (0503000519), the heater was manufactured in 2005, making it over 20 years old and far beyond its expected service lifespan.
Corroded Internal Components – Minor rust and wear were visible on the lower section of the casing and pipe joints, further supporting the need for full replacement.
Due to the electrical damage and obsolete parts, repair was not feasible or safe. The heater was officially recommended for full replacement.
Homeone’s Licensed Gas Service Workers (LGSWs) supervised the replacement work in compliance with EMA and PUB regulations under the Gas Supply Act of Singapore.
Old Heater Model: Rinnai REU-16RFA-RS
New Heater Model: Rinnai REU-2008W-RS (Powered by Citygas)
Scope of Work:
Removed the existing heater safely and disposed of it responsibly
Installed the new Rinnai REU-2008W-RS with updated mounting and gas connections
Replaced corroded fittings and gas stop valve with PUB-approved components
Tested all gas, water, and electrical connections for safe operation
Commissioned the system and issued a Final Pressure Test Certificate
Every Rinnai Gas Water Heater installation by Homeone includes:
1-Year Workmanship Warranty
Manufacturer’s Warranty for the new heater unit
Certified installation report issued by a Licensed Gas Service Worker
The Rinnai REU-16RFA-RS unit had reached the end of its operational lifespan, with electrical failure and melted components posing serious safety concerns. Replacement with the Rinnai REU-2008W-RS ensures:
Safe, reliable operation powered by Citygas
Modern efficiency and faster water heating performance
Full compliance with EMA and PUB safety standards
If your Rinnai REU-16RFA-RS Condo Gas Water Heater shows no display, emits burning smells, or has melted internal components, continuing to use it can be dangerous. A professional replacement, carried out by Homeone’s technicians, guarantees both safety and peace of mind.
