For control in large surface snow melting applications, interfaces with up to 6 sensors. Simple and fast to install and operate. Energy saving, with capability for 6 snow sensors (GIT-1, CIT-1 or SIT-6E sensors, any combination). Adjustable hold-on timer continues heater operation for up to 10 hours after snow stops, to ensure complete melting. Building Management System (BMS) connection and alarm contacts for remote alarm function. Reliable during long life: 10 year product warranty available, maintenance free.