Ronald Walters | Thermostat Indicator LED's @RonaldWalters2010 | Uploaded December 2021 | Updated October 2024, 1 hour ago.
Adding LED's to heat only thermostats for a visual indication when the system controller has recognized the thermostat is calling for heat.
Adding LED's to heat only thermostats for a visual indication when the system controller has recognized the thermostat is calling for heat.