The Ultracom2 sxi system boiler

If you're looking to replace an existing system boiler or you have a large and varied hot water requirement but don't want to install a cold water tank in your loft, our Ultracom2 sxi is ideal.

Based on 5th generation technology, Ultracom2 sxi system boilers are built with tried and tested components providing you with proven reliability and exceptional efficiency.

With a choice of plug-in digital or external heating and hot water controls, the Ultracom2 sxi offers complete flexibility to give you effortless comfort in your home.

Key features

  • An extremely quiet boiler - you'll hardly know it's running
  • SEDBUK A and NOx Class 5 rated - the best efficiency rating possible
  • More flexible siting with easy access to all components from the front - so no side clearances are required
  • Simple, error-proof wiring connections
  • Clear, plain text fault displays
  • LPG compatible without conversion kit (18 & 30 kW models)
  • Compatible with Glow-worm eBus controls including Climapro2 RF and Smart Wiring Centre
  • Unique receiver slot inside the boiler for easy installation of the Climapro2 RF
  • Spacing frame available as an optional accessory
  • Plug in digital timer available as an optional accessory
  • Flexible pre-fixing jig available as an optional accessory - 1 jig for upward or downward piping
  • 2 years parts and labour warranty
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Model Ultracom2 12 sxi Ultracom2 18 sxi Ultracom2 30 sxi
Dimensions (mm) (h-w-d)> 740x418x346
Weight 37.1kg 37.1kg 38.3kg
CH Output (kW) Min / Max 3.9/12 4.9/18.2 8.5/30
DHW Output (kW) n/a
DHW Response n/a
DHW Flow Rate l/min 35°C rise n/a
SEDBUK Rating A
SEDBUK % 90.4 90.4 90.5
User Display Digital/Plain Text
Diagnostics Advance/ Intuitive

CH = Central Heating