Heat Sources - Accessories - Boiler Controllers » VIESSMANN - Gas Boiler Controllers
To be installed on a south facing (coldest) wall of the building. The sensor adjusts your heating system according to the changing outside temperature. Note: Must be used in conjunction with a Viessmann Vitotrol 100 OpenTherm Thermostat.
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| KE KELIT Climate Control - Heating Systems Product Catalogue | 26 Jun 2019 | ||
