Greenwood Centrifugal Surface Mounted Low Voltage Bathroom Fan With Timer, Humidistat & Pullcord - SF90SVIHT 50-100 AVS150 150mm Mixed flow in-line

AVS150 150mm Mixed flow in-line fan 2 speed - removed as per email request from GW dated 16052020

suitable for external wall thicknesses of 140mm and above and can be installed in internal wall constructions of between 100 - 150mm

Timer version with boost speed set to run on for 2

405/520 m3/hr 112/144 l/sec

30 or 40 minutes and an optional two minute delay start on timer version

Greenwood Centrifugal Surface Mounted Low Voltage Bathroom Fan With Timer, Humidistat & Pullcord - SF90SVIHT 50-100 AVS150 150mm Mixed flow in-lineThe SF90SVIHT is a Low voltage surface mounted centrifugal fan with humidistat and run on timer. 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