The THI C domestic range includes 4 models:

1-10Kw with a world leading power output modulation range of 1:10.
2-13Kw with a ratio of 1:7.
2-17Kw with a ratio of 1:8.
5-25Kw model with a ratio of 1:5.

All 4 models are suitable for heating only or for connection to our hot water tanks providing a heat source for hot water only or to provide heating and hot water. All models can be connected in multiple boiler format (cascade) and have the facility to provide heat to two different circuits, so are ideally suited to systems which have a combination of radiators and Underfloor heating.