The Riello 40 GS 5 is an automatic monobloc forced-draught gas burner with single-stage operation and a firing range of 18–58 kW.
Product Specification
- Forward-curved centrifugal fan and a sound-insulated cover.
- Air damper closes fully in standby; adjustment is accessible inside the cover.
- Combustion head with a stainless-steel end cone, ignition electrodes, ionisation probe, gas distributor and flame-stabilising disc.
- Adjustable air-pressure switch with a graduated selector.
- MG 557 microprocessor safety control with diagnostics, remote reset, recycle and purge functions.
Electrical Data
- Power supply: 230 V, single-phase, 50 Hz.
- Electrical protection: IPX0D (IP40).
- Total electrical input: 0.110 kW.
Standard Equipment
- Flange insulation screen and boiler fixing screws and nuts.
- 7-pole socket, service hinge and cable grommet.
- Installation, operation and maintenance manual; spare-parts catalogue.

