Greenwood Centrifugal Recessed Fan with Timer & Humidistat, Remotely Switched - RF90HTW 125mm Duct Diameter The Elite window kit can

The Elite window kit can be used with the following fans: EL150PC - Elite standard fan with pull cord EL150TR

To achieve the longest duct run

Filter element and frame for the Air Minder 400/Maxi 433048

The PD1 Surface mountedcentrifugal fan with second standby fan & motor is designed for two room ventilation

It is ideal for applications where the ducting runs are long as its centrifugal impeller means it can move air over longer distances when met with pressure resistance from ducting

Greenwood Centrifugal Recessed Fan with Timer & Humidistat, Remotely Switched - RF90HTW 125mm Duct Diameter The Elite window kit canThe RF90HTW with Humidistat sensor and timer. The RF90HTW replaces the R90HT Humidstat fans have a sensor in them. This detects moisture in the air. When a set humidity point is reached the fan will switch on. There are two types of sensor Traditional and Digital Intelligent. Traditional. Work by having a fixed humidity level which, when reached, the fan activates. Traditional humidistats work well but as natural levels of humidity rise and fall