: If water isn't circulating (e.g., in a pool or heater), prime the pump by filling the housing with water or clearing debris from the impeller. 3. In Libraries and Collections
: Move slowly past desks to show you are monitoring.
: Use a subtle gesture or thumbs-up for encouragement.
Circulating air or water helps maintain even temperatures and system efficiency.
: Use the "Circulate" mode on smart thermostats to run the fan for a set number of minutes per hour (e.g., 20–40 minutes) even when not heating or cooling.