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Ultimate₃ regular boiler

Exclusive regular boiler with 5 years guarantee*

  • ErP A rated for efficiency - to reduce energy bills
  • £15 reward when registered through Club Energy
  • Lightweight boiler with cupboard fit dimensions
  • FREE 5 Year guarantee when registered on Club Energy*

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).

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

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  • Wi-Fi thermostat and easy-to-use app
  • Manage heating and hot water from anywhere
  • Reduces energy consumption, saves money

Climastat room thermostat

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

Climapro₁ control

  • Annual service reminder function
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Downloads

Downloads

Alternative products

Alternative products

Ultimate₃ combi boiler

  • Leading combi boiler offering great performance
  • Up to 10 year guarantee when registered on Club Energy*
  • £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 5 year guarantee when registered on Club Energy*
  • £15 reward when registered through Club Energy
  • Available as 25kW model