A Small White Temperature Sensor That Should Be Located On The Outside Of The Building, On A North Facing Wall. This Is Wired To The Internal Controls Of The Boiler And Information About The Outside Temperature Is Sent To The Boiler Controller Constantly.
Outside Temperature Sensor
Technical specification
TypeWeather CompensationToilet Cistern CapacityFTW--ERP RatingNot ApplicableSupplier Part Number7543241Range DescriptionControlsBrand NameViessmann
Reviews
Viessmann Outside Temperature Sensor For Weather Comp Op 7543241