The new Invensys SM1 single channel timeswitch and SM2 twin channel programmer gives style and ease to uses to suit most domestic pumped and gravity heating systems.
Features:
Single and dual channel Advance feature Modern styling LED indication 4 position slide (ease of setting) Intuitive time setting for ON/OFF Suitable for gravity and pumped systems Positive switching of time Two ON/OFF time functions per day All day option Universal industrial standard back plate.
HomeProducts & ServicesDraytonElectromechanical Timeswitches and ProgrammersSM1 and SM2 Programmers
