Honeywell ST9400C 7 Day 2 Channel Heating Programmer with Timer ST9400C1000

Honeywell

Honeywell 24-Hour 2 Channel Service Programmer ST9400S1001 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 ST9400S 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