Product Overview
The Riello 40 Gulliver GS20D is a monoblock two-stage gas burner with a versatile thermal output range of 58/81 to 220 kW. Fully compliant with the EN 676 European Standard, this burner is engineered for precision performance in high-efficiency boilers and warm air heaters. Its two-stage firing system provides smoother temperature regulation and reduces the mechanical and thermal stress on the boiler body compared to single-stage alternatives.
Key Features
-
Dual-Stage Firing System: Enables operation at two distinct output levels (High and Low fire), providing precise temperature control and reducing frequent burner on/off cycling.
-
Microprocessor Control Unit: Features an integrated digital control box with a multi-color LED diagnostic system. This provides real-time monitoring of the operation cycle and rapid troubleshooting via coded light signals.
-
High-Pressure Centrifugal Fan: Specifically designed with forward-curved blades to maintain stable and consistent air delivery, ensuring reliable ignition and combustion even in high-back-pressure furnaces.
-
Adjustable Combustion Head: The burner is equipped with a high-performance head that can be easily calibrated to the specific output of the boiler, maximizing thermal efficiency across both stages.
-
Redundant Safety Systems: Includes a built-in air pressure switch to verify proper fan operation and an ionization probe for continuous flame supervision, ensuring safe operation at all times.
Core Advantages
-
Optimized Seasonal Efficiency: By modulating its output between two stages, the GS20D significantly reduces fuel consumption during periods of lower heat demand.
-
Quiet Operational Profile: The air intake is integrated with advanced sound-deadening material, maintaining an exceptionally low noise level for a burner of this capacity.
-
Industrial-Grade Reliability: Built with Riello’s standardized, high-quality components, the GS20D is engineered for long-term durability and consistent performance in demanding environments.
-
Front-Access Maintenance: The design allows for complete inspection and servicing of the combustion head and all internal components without the need to disconnect the burner from the boiler.
-
Installation Versatility: Featuring a universal sliding flange, the burner can be precisely adjusted to fit various boiler depths and furnace designs, streamlining the commissioning process.
