The Ridgeflow is a conservatory vent fan that was was manufactured by Ultraframe, a company that supplies parts for conservatories and similar extensions. An external thermostat can be connected to the terminals provided, alternatively if these terminals are connected together then the built-in electronic thermostat will turn the fan on when the ridge temperature reaches about 38C.
The Ultraframe site lists the model number as RFCB001/UF here however my particular unit was labelled RFUC001. I believe it dates from around 2002 but it is possible that it was replaced some time prior to 2016. So bear in mind that the instructions that follow may not be applicable to newer versions of the Ridgeflow.
Continue reading