The Riello 40 G5 is a single-stage light-oil burner with a heat output of 28–60 kW and an oil-firing rate of 2.3–5 kg/h. Its monobloc assembly combines the fan, oil pump, ignition system and photocell flame control.
Product Specification
- Fully automatic monobloc burner with single-stage on/off operation.
- Forward-curved fan and metal cover with sound-insulating lining.
- Adjustable air damper that closes completely during standby.
- Combustion head with a heat-resistant stainless-steel cone, ignition electrodes and flame-stability disc.
- Gear pump with a filter, pressure regulator, pressure-gauge and vacuum-gauge connections, and an internal bypass for single-pipe installations.
- Fuel solenoid valve incorporated in the pump, light-oil nozzle, photocell flame detection and electronic flame-control equipment.
Electrical and Operating Data
- Heat output: 28–60 kW.
- Light-oil firing rate: 2.3–5 kg/h.
- Power supply: single-phase, 230 V, 50 Hz.
- Total electrical power: 0.130 kW.
- Protection: IPX0D (IP40).
- Light-oil viscosity: 4–6 mm²/s (cSt) at 20°C.
- Standard: EN 267.
Standard Equipment
- Two flexible oil hoses and two pump-connection nipples.
- Mounting flange, fixing screws and nuts, thermal gasket and maintenance assembly.
- Installation, operation and maintenance handbook, and spare-parts catalogue.
- 7-pin plug available on request.

