Upsilon

The A.O. Smith Upsilon series consists of 3 boilers: UB 70, UB 110 and UB 140. All the boilers in the Upsilon 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.

• Efficiency 110.3% according EN 677 (50/30°C part load, Hi)
• Fitted with 1 or 2 stainless steel heat exchangers
• Fully modulating burner technology
• Concentric and parallel flue options
• Easy installation
• Intelligent control system
• 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 primairy pump
• The UB 110 and UB 140 have built in redundancy
• Optional: Weather dependant control with outside sensor, Air inlet filter, Also available on propane