Riello G3 Diesel Burner in Nairobi | Wisdo Merchants
Technical Specifications
| Property | Value |
|---|---|
| Brand | Riello |
| Model | 40 G3 |
| Burner type | Monobloc pressure-jet, single stage |
| Fuel | Light oil (diesel) |
| Thermal output | 23.8–35.5 kW |
Description
Riello G3 Diesel Burner for Homes and Small Boilers
Not every boiler needs a big burner. A family home, a small guest house or a compact office water heater only needs a modest, steady flame, and an oversized burner would waste fuel and cycle on and off constantly. The Riello G3 diesel burner is built for exactly these smaller jobs. At Wisdo Merchants, we supply it to boiler technicians, plumbers and homeowners across Nairobi and Kenya.
The G3 is the smallest model in Riello’s 40 G series of compact, single-stage light oil burners. It fires between 23.8 and 35.5 kW, burning diesel at 2 to 3 kg per hour. As a result, it suits small boilers and water heaters for domestic hot water and central heating.
Features and Benefits of the Riello G3 Diesel Burner
- Sized for small boilers. Its 23.8 to 35.5 kW range matches domestic and light commercial boilers.
- Saves fuel. A correctly sized burner runs longer, steadier cycles, which wastes less fuel than an oversized one.
- Fully automatic. It handles ignition, flame monitoring and shutdown on its own, controlled by the boiler thermostat.
- Compact and quiet. Riello designed the 40 G series to be small and quiet, so it fits well in homes.
- Factory fired. Riello test-fires every 40 G burner before it leaves the factory.
For homeowners, this means reliable hot water and lower diesel bills. Meanwhile, technicians get a compact burner that is simple to install and service.
Technical Specifications
| Property | Value |
|---|---|
| Brand | Riello |
| Model | 40 G3 |
| Burner type | Monobloc pressure-jet, single stage |
| Fuel | Light oil (diesel) |
| Thermal output | 23.8–35.5 kW |
| Fuel flow rate | 2–3 kg/h |
Applications of the Riello G3 Diesel Burner and How to Use It
- Domestic hot water boilers in homes and apartments
- Small central heating boilers
- Hot water systems in small guest houses and cottages
- Compact water heaters in small offices and clinics
- Replacing a worn burner on an existing small boiler
Fitting a New Burner
Picture a homeowner whose old oil burner keeps failing to start. First, the technician removes the old unit and fits the G3 to the boiler using the mounting flange and gasket. Next, they connect the flexible fuel hoses and fit a nozzle sized for the boiler’s output. After that, they wire the burner to the boiler controls and bleed air from the fuel pump. Finally, they fire the burner, set the pump pressure and air damper, and check the flame with a combustion analyser.
Choosing the Right Size
If your boiler needs more than 35.5 kW, step up to our next size, the 28–60 kW model. For mid-size commercial boilers, see our mid-range 54–120 kW model.
Safety and Handling
- Use qualified technicians. Only trained burner and boiler technicians should install and service the burner.
- Ensure good ventilation. The boiler room or cupboard needs enough fresh air for complete combustion.
- Check the flue. A sound, unblocked flue keeps dangerous gases out of the home.
- Keep fuel lines tight. Leaks let air into the pump and create a fire risk.
- Isolate power before work. Switch off and lock out the electrical supply before servicing.
- Service yearly. Clean the combustion head, replace the nozzle and check the flame at least once a year.
Frequently Asked Questions
What boiler size does the G3 suit?
It suits boilers and water heaters needing 23.8 to 35.5 kW of burner output, typical of homes and small buildings.
What fuel does it burn?
It burns light oil, commonly known as diesel. It is not designed for heavy fuel oil.
My boiler needs about 30 kW. Should I choose the G3 or the G5?
Both cover this range. A technician will usually choose the model that runs nearer the middle of its range for your boiler.
Why does my burner keep stopping?
Common causes include air in the fuel line, a blocked nozzle or filter, a dirty photocell or incorrect electrode settings.
Do you deliver outside Nairobi?
We offer same-day delivery once your order is confirmed, subject to stock availability. Call or email our sales team to confirm stock and arrange delivery to your site.
Order the Riello G3 Diesel Burner from Wisdo Merchants
Efficient home hot water starts with a correctly sized burner. Our Riello G3 diesel burner gives small boilers quiet, automatic and economical firing. Furthermore, you can browse our full product range for your other maintenance needs.
Visit us: Dar es Salaam Road, Off Enterprise Road, Industrial Area, Nairobi
Call: +254 795 938305
Email: sales@wisdomerchants.com
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