Honeywell ST9100S Single Channel 24-Hour Service Timer
Single-channel 24-hour service timer for scheduling and control, with simple one-day programming.
Single-channel 24-hour service timer for scheduling and control, with simple one-day programming.
Honeywell ST9400C is a 7-day, 2-channel programmer for heating and hot water systems. It allows you to schedule up to three on/off events per day, providing precise control over your home's energy consumption.