The Danfoss TS710 Single Channel Programmable Timeswitch Heating Timer 087N7881 is a wall-mounted heating control unit designed for use with boilers. This programmable timeswitch features a 7-day thermostat with 3 periods per day, a digital control style, and a backlit display for easy viewing. With a 4-wire wire configuration and a voltage of 230V, this white rectangular-shaped timer is made of plastic and is compatible with Danfoss brand thermostats. Ideal for efficient heating management, this programmable heating timer offers convenience and energy savings for home heating systems.