30 Jan 2024

Ferroli GS 20 OE TG (I) Gas Heater Replaced With Rinnai REU-2024W-RS Gas Heater at FLO Residence on 29 Jan 2024

Gas Testing Certificate

Gas heater installation involves the connection of the heater to a gas line and venting system, ensuring that it is safe and compliant with Workplace Safety and Health Act

  • Project location

    FLO Residence

  • Property type


Ferroli GS 20 OE TG (I)


Replacement of Ferroli GS 20 OE TGE (I) Gas Heater Replaced With Rinnai REU-2024W-RS Gas Heater to resolve heater problems end of service life.


Similar Rinnai REU-2024W-RS Gas Heater at is used for replacement. All pipe works and fittings connecting to the heaters are replaced with stainless steel which comply with PUB regulation.

The final result

Ferroli GS 20 OE TG (I) Gas Heater Replacement

Old gas heater:

Ferroli GS 20 OE TG (I) Gas Heater

Founded in 1955, San Bonifacio, Italy, is a leader in Gas Heater innovation.

FERROLI controls the global activities of its European and Asian facilities, the sales network made of 12 direct subsidiaries and 2.116 employees.

Here are some general details about this gas heater:

1.Type: This is an outdoor gas water heater, equipped with a weatherproof body suitable for outdoor installation, such as on the exterior wall or AC ledge of a building.

2.Installation: Proper installation is crucial for safety and optimal performance.
Gas heaters need professional installation for proper venting, gas line connections, and compliance with safety standards.

3. Safety: Ensure gas heater safety to prevent accidents like fires, gas leaks, or carbon monoxide poisoning.
Following manufacturer instructions and ensuring proper ventilation are essential for safe operation.


New gas heater:

Rinnai REU-2024W-RS Gas Heater

Founded in 1920, Rinnai & Co. first manufactured and sold pressurized oil stoves.
By the late 1920s it had already established itself as a trustworthy manufacturer of gas tabletop stoves, gas ovens, gas heaters, and gas hot-water units.

1. Type: The Rinnai REU-2024W-RS is a tankless, or on-demand, water heater.
Unlike traditional water heaters with storage tanks, tankless models heat water directly as it flows through the unit, eliminating the need for storing hot water and providing an endless supply of hot water when properly sized for the household’s needs.

2. Efficiency: Tankless water heaters are known for their high efficiency compared to traditional tank-style water heaters.
By heating water only when needed, tankless models like the Rinnai REU-2024W-RS can help reduce energy waste and lower utility bills.
Additionally, some models may feature energy-saving modes or technologies to further enhance efficiency.

3. Safety Features: Rinnai tankless water heaters typically come equipped with several safety features to ensure reliable operation and protect against potential hazards.
Following manufacturer instructions and ensuring proper ventilation are essential for safe operation.

Gas Heater Installation

Job Scope

  1. Gas Heater Supply
  2. Gas Heater Installation Workmanship
  3. Pipe and Fittings Comply with PUB Regulation
  4. Clean up before leaving
  5. Gas Testing Certificate
  6. One Year Homeone Engineering Warranty

Gas Heater not Working

If your gas heater is not working, there could be a number of possible causes.
One common issue is a lack of gas flow, which can occur if the gas valve is turned off or if there is a problem with the gas supply.
A malfunctioning thermocouple or ignition system might be another cause.
This issue can prevent the heater from starting properly.
Check gas supply and line for issues before troubleshooting gas heater problems.
If these basic checks do not resolve the issue, it may be necessary to call a professional heating technician to diagnose and repair the problem.
Regular maintenance and cleaning can also help to prevent issues with gas heaters and ensure that they are working safely and efficiently.


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