* Complete with key for tamperproofing. * Holes in frame allow air to circulate freely. * Easy to install - flush mounted. * Max. size of programmer/timeswitch 175x100x55mm WxHxD.  ..

Replacement Battery for Danfoss Randall MK8 series including: 811, 851, 852, 841, 842 Please check your programmers battery is removable before purchasing Note: this battery is used as a backup..

Replacement Battery for Honeywell ST699B programmers. Please check your programmers battery is removable before purchasing Note: this battery is used as a backup during a power failure it does n..

Traditional Daily Programmer * Complete with new backplate * Two ON/OFF periods per day * 1 hour boost facility * All day option * LED 'ON' light * Dimensions: 145x90x50mm WxHxD * Override faci..