Refurbished Q551 Suntracker Battery Reserve_20 Days If your switch is older

If your switch is older than 2008 we are unable to supply a replacement

or to occur at a fixed time between 8:30pm and 1:00am

A general purpose timeswitch for heating

Simply locate where you are on the map and add the number on to the end of the part number or select the equivalent zone

Refurbished Q551 Suntracker Battery Reserve_20 Days If your switch is olderSangamo Q551 Solar Dials come in 4 variations depending on where you are in the British Isles the switch is adjusted to match the slight differences in sunrise and sunset times. Simply locate where you are on the map and add the number on to the end of the part number or select the equivalent zone. The Solar Time Switch is ideal for applications which require control linked to sunset and sunrise times. Popular applications for solar time switches