The Electrim 75 Immersin Heater is a fully waterproof heater designed for use by home brewers and winemakers. It assists in promoting faster fermenting time and a better quality brew by keeking the ferment at an optimum and even temparature.

The Electrim 75 is suitable for use with all 1gallon demijohns and 25 litre fermenting bins, it is factory set to keep a temperature of around 22-24 degrees celcius, but can be varied by the user via the adjustment knob.

The Electrim 75 comes with a large rubber bung incorporating an airlock hole.