Riello RLS Dual Fuel Series
Riello RLS 250/M MZ Dual Fuel Burner
The Riello RLS 250/M MZ is a dual-fuel monoblock burner (RLS/M MZ series, 550–2460 kW) for hot or superheated water boilers, hot-air or steam generators and diathermic-oil boilers. It runs two-stage on oil and modulating on gas, for high efficiency and low running cost.
Specifications
| Model | RLS 250/M MZ |
|---|---|
| Series output | 550–2460 kW (RLS/M MZ) |
| Fuel | Dual fuel — light oil + gas |
| Operation | Two-stage on oil side; modulating on gas side (PID + probes) |
| Boilers | Hot/superheated water, hot-air/steam generators, diathermic-oil boilers |
| Efficiency | High efficiency across applications; lower fuel use and running cost |
| Noise | Optimised air-suction circuit + soundproofing material |
| Design | Reduced dimensions, simple use and maintenance |
| Accessories | Wide range for elevated working flexibility |
Why buyers choose it
- Dual-fuel design lets you switch between light oil and gas to match fuel availability and price.
- Two-stage operation on the oil side and modulating operation on the gas side with a PID logic regulator and probes.
- High efficiency across all applications reduces fuel consumption and running costs.
- Low-noise design from the special air-suction circuit and soundproofing material.
- Reduced dimensions, simple use and maintenance, plus a wide accessory range.
Applications
The RLS/M MZ series is designed for hot or superheated water boilers, hot-air or steam generators, and diathermic-oil boilers.
Dual-fuel capability suits plants that need fuel flexibility for continuity of supply or cost control.
Tell us your boiler type, fuel pair and required kW and we size the RLS model and the matching gas train.
Buyer Questions
Riello RLS 250/M MZ Dual Fuel Burner FAQs
What fuel does the Riello RLS 250/M MZ burner use?
It is a dual-fuel burner running on light oil and gas. Operation is two-stage on the oil side and modulating on the gas side with a PID logic regulator and probes.
What is the output range of the RLS/M MZ series?
The RLS/M MZ series covers 550–2460 kW. Send us your required kW and we confirm the model for your boiler.
Which boilers suit the RLS 250/M MZ?
It is designed for hot or superheated water boilers, hot-air or steam generators, and diathermic-oil boilers.
Is the RLS 250/M MZ efficient and quiet?
Yes. It delivers high efficiency to lower fuel consumption and running costs, with low-noise design from the air-suction circuit and soundproofing material.
Documentation
Riello RLS 250/M MZ Dual Fuel Burner Downloads
Request a quote for RLS 250/M MZ
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