Refurbished Q553 Suntracker Operations:1ON/1OFF A “day omission” device allows

A “day omission” device allows you to select any number of days in the week on which the switching cycle can be disabled

Day Omission Yes (omits the “ON” operation)

Choice RSTAT1t Datasheet [PDF]

This mechanical 2 wire tamper proof thermostat is very easy to install and having volt free contacts is suitable for systems with either a combination or normal boiler

Mounting Surface mounting

Refurbished Q553 Suntracker Operations:1ON/1OFF A “day omission” device allowsSangamo Q553 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