The Vitotronic 200 HO1B weather compensation controller has a 7 day programmer and features a multi-line plain text display with large fonts. The display is 70% larger than those of comparable devices, can show graphics and is also back-lit. When used with an outdoor sensor, can control up to 3 heating circuits, 2 mixed and 1 unmixed, e.g. underfloor heating and radiators would be run off the mixed circuit and a towel rail would run off an unmixed circuit and a separate DHW Circuit.
This is an Energy Saving Trust Endorsed Product