Cascade boiler systems Boilers 
Cascade boiler systems
Cascade boiler systems 
Cascade boiler systems
The cascade boiler system is quick and easy to install thanks to the Plug & Play – principle. The diversity in configuration options enables the installation to be placed almost anywhere, whether it is an existing location or a new built. Features Cascade boiler system A.O. Smith delivers the entire package; it just needs to be put together. The quick fit hydraulic pipe work header fixes the boiler support frames with all the interconnecting pipework. Dependent on the installation a DN 65 or DN 100 low velocity header will be supplied. Insulation sets are available for the flow and return pipes.
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Upsilon
The Upsilon series consists of 3 boilers: UB 70, UB 110 and UB 140. All the boilers in the this series are fitted with an electronic control which optimises the performance by infinitely modulating. These boilers have a very low gas usage, very low emissions, Nox class 5 and very high efficiencies, up to 110.3%. In short, the Upsilon is the best solution available for large commercial applications. Features Upsilon
- Efficiency 110.3% according EN 677 (50/30°C part load, Hi)
- Fully modulating burner technology
- Concentric and parallel flue options
- Nox class 5
- 0 – 10 volt, Volt Free on/off or OpenTherm connection possible
- Standard fitted with cascade manager
- Up to 8 boilers applicable in cascade configuration
- Built-in primary pump
- Optional: Weather-dependent control with outside sensor, Air inlet filter,
- A conversion kit for propane is available
