Honeywell ST9100S 1 Day Service Timer

There is a built in Service Interval reminder that can be adjusted to offer a message, or restricting action, when an annual system service falls due

ST9100S has the new and ground-breaking Line of Text (LoT™) display that gives clear plain English instructions whenever any button or slider is used

Up to 3 events per day

Automatic summer and winter time change

Single pole, double throw (SPST) relay

230V AC 50Hz 10W Power supply

Operating temperature range 0 to 40°C

Conforms to EN60730-2-7

Temporary or permanent override facilities

Large backlit display