Solar Whiz 40w Solar Roof Ventilator Add on: Night operation pack:No Runs directly from a 12-volt

Runs directly from a 12-volt or 24-volt battery

The electronics have over and under-voltage protection

It employs a primary phase – shift controlled triac to precisely supply charging voltages and currents during the recharge cycle

With countless Pool Heating solar systems installed throughout Australia and around the globe

directly in through the wall

Solar Whiz 40w Solar Roof Ventilator Add on: Night operation pack:No Runs directly from a 12-voltThe Solar Whiz SW AU R 40 solar exhaust fan is the largest Australian made domestic solar ventilator. It is the most popular and powerful unit, suitable for homes up to or beyond 250 square metres. Suitable for small commercial applications such as warehouses, factories, stables, offices, etc. Made from stainless steel, particularly good for tropical and coastal regions. If you need to move a large volume of air quickly, the SW AU R 40 is your answer.