The Riello 40 GS20D is a two-stage natural-gas burner rated at 58/81–220 kW. An electric servomotor sets the air damper for low- and high-fire operation and closes it completely during standby.
Product Specification
- Fully automatic monobloc gas burner with high/low/off two-stage operation.
- Forward-curved fan and sound-insulated cover.
- Electric servomotor drives the air damper, with separate first- and second-stage settings and complete closure during standby.
- Combustion head with a heat-resistant stainless-steel cone, ignition electrodes, ionisation probe, gas distributor and flame-stability disc.
- Flame-inspection window.
- Adjustable air-pressure switch with a graduated selector; locks out the burner if combustion-air pressure is insufficient.
- Radio-interference suppression filter.
Electrical and Operating Data
- Heat output: 58/81–220 kW.
- Natural-gas flow: 5.8/8.1–22 Nm³/h at a net calorific value of 10 kWh/Nm³.
- Power supply: single-phase, 230 V, 50 Hz.
- Total electrical power: 0.250 kW.
- Protection: IPX0D (IP40).
- Standard: EN 676.
Standard Equipment
- Flange insulation screen and screws and nuts for fixing the flange to the boiler.
- 7-pole socket, 4-pole socket, hinge and grommet.
- Installation, operation and maintenance handbook, and spare-parts catalogue.
