SOURCE 1 DIGITAL THERMOSTAT S1-THEC11NS NEW IN BOX The S1-THEC11NS offers basic operation of HVAC equipment at an affordable price. Operating on either 24V system power or 2 AA batteries (included), the S1-THEC11NS is compatible with most equipment including millivolt systems. The front loading compartment makes battery replacements a snap.
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.