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Time switches and thermostats.
Secure / Horstmann CentaurPlus C17 (series 2) single channel, 7 day, electronic central heating time switch.
Direct plug in replacement for Horstmann C11 time switch.
Three ON and OFF periods each day (each day of the week can be setup differently).
Secure / Horstmann CentaurPlus C27 (series 2) electronic 2 channel central heating programmer / time switch.
Direct plug in replacement for Horstmann C21 programmer.
General purpose / immersion heater 24 hour time switch with manual on/off and clock operation.
The unit has electro-mechanical operation and features a clock face with easy set tappets that activate switching at pre-set times.
This SIR 020 is a push button electronic run back / boost timer that saves energy by switching off immersion heater when you forget.
Designed to be a replacement for a standard wall mounted double pole switch, can be set to switch off after 15, 30 or 60 minutes.
24 hour plug in timer switch, great for controlling lighting and heating, max current 13A / 13 Amp.
48 x 30 minute segments. If needed, the timer can be overridden by moving the switch on the side.
For indoor use only.
Central heating room thermostat.
10A. 10–30°C.
This surface mounted mechanical thermostat is suitable for temperature control in industrial environments, refigeration and cooling, cellars, greenhouses and electrical panels.
230V 16A.
Temperature range 0 deg to +40 deg C.
Pipe / cylinder thermostat.
Temperature setting range 40–80°C.
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