I lost my user manual and want to stop the "Filter" needed indicator on my Honeywell T8600D Chronotherm IV Deluxe Programmable Thermostat. The filter was recently changed, so a new one is not needed....
I lost my user manual and want to stop the "Filter" needed indicator on my Honeywell Chronotherm IV Plus thermostat. The filter was recently changed, so a new one is not needed. How do I stop...