Save water and energy with these amazing water saving devices. If you have a power shower, combi boiler, condensing boiler or a dedicated shower pump, the shower heads are guaranteed to cut down on the water the shower uses, and so save you on water and energy bills. Also introducing efficiency at its best, Water Leak Alarm is an extremely reliable and efficient water waste & leak alarm for the home. Relying on acoustics within your water pipes it will detect leaks or wastage in your property and lets you know about them via a loud audio alarm.