Mini Ultra 3 kW / 10,225 Btu – 240V electric boiler


Thermo 2000’s mini ULTRA electric boilers are ideal for all hydronic heating needs in single-family homes and condominiums. Compact design. Ultra-silent. Easy to install on a wall. That’s what minis are all about!

Technical sheet User manual


Part #: N/A SKU: T2MINI-ULTRA03 Categories: , ,

100% compact

Our mini ULTRA electric boilers are renowned for their compact design. Thanks to their reduced sizes, these heating systems fit into even the smallest of spaces. In addition, the piping can be connected in multiple ways, ensuring an effortless installation.

100% efficient

Our boilers waste no energy. Producing no combustion or GHG emissions, the mini electric boiler is a highly energy-efficient and green alternative. Maintenance is simple and kept to a minimum. The addition of the UltraSmart TM controller also helps to increase overall system performance.

100% comfort

Silent and discreet, mini electric boilers are ideal for single-family homes and condominiums. Whether you need a hydronic system to heat your basement, garage or any other type of application, the compact mini is the intelligent choice for heating.

UltraSmartTM Controller

Accurate and easy to configure, the mini ULTRA’s UltraSmartTM controller with backlight display enables you to optimally manage the ambient temperature and substantially save on energy costs.

Standard features

  • Safety control to limit excessively high temperatures
  • 120V pump power supply
  • 24V electrical supply for thermostat and other accessories
  • 30 PSI safety relief valve
  • Drain/purge valve
  • 208/240 VAC electrical supply

The Mini Ultra brings the extra features below:

  • The UltraSmart TM controller enables users to view the boiler’s operation status at a glance
  • Preset configurations based on heating distribution system
  • Outdoor sensor that modulates boiler water temperature
  • Heating stops when outside temperature gets warmer
  • “Boost” mode that automatically increases the temperature when needed
  • Ability to purge the pump when system is not running
Weight25 kg
Dimensions38 × 38 × 76 cm
Power Supply




You may also like…