Fits on industry standard back plate.
LavaTap Pro Controls 7-Day 1 Channel Heating Timer – Replaces Honeywell Thermostat ST9100C, ST9100A, ST6100, ST7100 – Fits Honeywell 6-Terminal Backplate – 3 On/Off, Boost, Holiday Mode, 230V
HONEYWELL ST9100C TIMER PROGRAMMER 7-DAY 1 CHANNEL HEATING CONTROL ST9100C1006
Honeywell ST9100C 1006 Timer Programmer 7 Day 1 Channel Boiler Heating Control
Honeywell ST9100C 1006 Timer Programmer 7 Day 1 Channel Heating Control New
SANGAMO 24 HOUR 7 DAY 1, 2, 3 CHANNEL DIGITAL TIMECLOCK CENTRAL HEATING WATER
Honeywell ST9400C 7 Day, 2-Channel, 3 On/Off per Day
