he homac Alarm is battey operated and can be installed on the Homac 400 & Homac 400-A range. Use corbon zinc battery

The Homac Alarm has a level pressure switch that triggers an alarm fixed on the top of the unit if the volume of the water exceeds the max allowed level. The alarm emits a continuous 80 dbs warning sound until it is switched off or the problem is rectified

The homac Alarm is battey operated and can be installed on the Homac 400 & Homac 400-A range.

Use corbon zinc battery 9V

If you are interesting in those products, pls send me for an inquiry

Electric Alarm