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Ultimate₃ Regular Boiler

High efficiency ErP 94% A rated boiler

  • ErP A rated for efficiency - to reduce energy bills
  • £15 reward when registered through Club Energy
  • Lightweight boiler with cupboard fit dimensions
  • FREE up to 10 years guarantee available*

The Ultimate3 regular (open vent) boiler is suitable for homes with high hot water demands. The Ultimate3 regular heat only boiler is available in a 25kW output and has been designed to be light and compact with cupboard fit dimensions. The boiler features flexible flue options and an aluminium heat exchanger for proven reliability and performance.

Specifications

Specifications

For full specification, please download here (2878 kB).

Related Products

Related Products

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  • Backlit display provides advanced user control and functionality
  • Capable of room and weather compensation*

MiGo

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  • Manage heating and hot water from anywhere
  • Reduces energy consumption, saves money

Climastat room thermostat (discontinued)

  • Easy to use
  • Extra low voltage
  • Simple & discreet 2 wire connection

Climapro₁ control

  • Annual service reminder function
  • Automatic update for summer and winter
  • Simple and discreet

Downloads

Alternative products

Alternative products

Ultimate₃ Combi Boiler

  • Leading combi boiler offering great performance
  • Up to 10 years guarantee available*
  • £15 reward when registered through Club Energy
  • Available in 30kW and 35kW models

Ultimate₃ System Boiler

  • ErP A rated for efficiency - helping to reduce energy bills
  • FREE up to 10 years guarantee available*
  • £15 reward when registered through Club Energy
  • Available as 25kW model