The Electrim TE25 Heater Tray is specifically designed for 25 Litre containers - either glass or plastic - bucket or barrel. Provides a low constant heat to aid fermentation. 230v/25w output is constant with an on/off switch although we find it best to plug in a timer and set it for 15 minutes on in every hour which seems to provide about the right...
An economical and versatile immersion heater, fully waterproofed and designed for use by homebrewers to assist in promoting a faster and more controlled fermenting time. Suitable for all vessels from demijohns to 25 litre fermenters. Factory set to 24c but user adjustable from 14-34c.