Interlinks with SW1-R smoke and HW1-R heat alarms through wireless interconnection. Quick to install and eliminates the need for connection wires between each alarm. 9V battery back-up. Interlinked via Wireless or when Hardwired 230V AC Mains-Powered...

Techno float switches are double (on and off) acting for emptying or filling applications. They have anti-shock polypropylene cases and PVC cables for durability and use in clean water or inert water-based fluids.